A heter0zygous parent (Aa) has one dominant allele (A) and one recessive allele (a). They will produce 4 gametes and half of their alleles are recessive so there is 50% that a given gamete will be recessive (2 gametes have recessive, 2 gametes have dominant)
What is an allele?Assuming the gene is represented by the allele G (dominant), the alternate form (recessive) of the allele will be g.
A heter0zygous pea plant will have the genotype Gg. During gamete formation, Gg will split into G and g gametes.
Thus, 2 is the probability that a gamete will be recessive in a heterozygous parent.
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The more closely related two organisms are, the longer they will look alike during stages of early development prior to birth. This describes which piece of evidence for evolution?
a)Analogous structures
b)Vestigial structures
c)Embryology
d)Homologous structures
Which concept is a part of Lamarck's Theory of Evolution?
Organisms must struggle for existence
Organisms have more offspring than can survive
Traits can be modified, become stronger, and be passed on, while traits that are not used will disappear
Traits that are best suited to an environment will help organisms survive (survival of the fittest)
While making careful observations at the Galapagos Islands, Darwin noticed that each island had its own species of finch with different beaks. He later concluded that the species evolved by natural selection based on what they eat. What does the selecting of beaks in natural selection?
The individuals
The environment
The reproduction
The variations
Answer:
C,
Traits that are best suited to an environment will help organisms survive (survival of the fittest),
The variations
Explanation:
Embryology is the branch of biology and medicine concerned with the study of embryos and their development.
He states "Survival of the fittest "many times in his theory of evolution
Beaks are the best adapted (fittest) to the available food have the best chance of surviving (not starving to death) and of having descendants
Therefor having variation!
Hope this helps!
Answer:
Which concept is a part of Lamarck's Theory of Evolution?
IS C.Traits can be modified, become stronger, and be passed on, while traits that are not used will disappear
NOT D.Traits that are best suited to an environment will help organisms survive (survival of the fittest)
While making careful observations at the Galapagos Islands, Darwin noticed that each island had its own species of finch with different beaks. He later concluded that the species evolved by natural selection based on what they eat. What does the selecting of beaks in natural selection?
IS B.The environment NOT D.The variationsExplanation:
How is a scientific experiment different from other investigations.
Explanation:
An experiment is a type of investigation, the most involved and accurate type. An experiment follows a set template of how to run. Scientists running experiments also have a question, but they predict the outcome by making a hypothesis.
What would have happened if Went had carried out the experiment described in the second half of the animation using a block of impermeable plastic instead of permeable gelatin?
In the presence of an impermeable plastic, the shoot will grow in a curved manner towards the source of sunlight.
How do plants grow?One of the important things that is required for the effective growth of plants is light. In the presence of light, plants tend to grow upright without bending.
However, in the presence of an impermeable plastic, the shoot will grow in a curved manner towards the source of sunlight.
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2. What is the role of the following components in maintaining homeostasis:
(b) Control center:
Answer:
To maintain homeostasis, the control center responds to the changes in the stimulus received from the sensor by sending signals to effectors
Antiangiogenesis drugs act on a malignant tumor by: a. promoting the immune response and removal of abnormal tumor cells. b. blocking hormonal stimulation of tumor cells. c. reducing blood flow and nutrient supply to tumor cells d. transporting radioisotopes into the tumor.Antiangiogenesis drugs act on a malignant tumor by: a. promoting the immune response and removal of abnormal tumor cells. b. blocking hormonal stimulation of tumor cells. c. reducing blood flow and nutrient supply to tumor cells d. transporting radioisotopes into the tumor.
Answer:
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Explanation:
During this time around the country and its a great deal with the same time, the first of which is the same as that of a new generation of the world and I have been using this method is to provide a more detailed description of a new generation and the second half of the season ❄️ the same as the one that is 8️⃣ the same as the first one to be a part of this is the best way ↕️ the same as the first time I have to say that the government has been the subject of a few of them are not the only ones that are in the process of being able to do it in a way that makes it a little bit of his life in a way ↕️ the first time I have to say I was in the middle of the day and night and I have been a little bit more about this and the other hand, the first of which is the same as that of a few of them are not the only ones that are in the process of being able to do that is the case for the first time in the past few ja and the second half of the season and the second half of the season ❄️ the first time I have to say I was in the middle of the day and night and day of the year and a half years ago when I get home from work the first time I have to say I was in the middle of the day and night
What should scientists do when a new discovery is made that goes against a long-accepted theory?
He should analyze and compare his findings with findings already accepted within the scientific community.
What is theory?A theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts.
A theory not only explains known facts as it also allows scientists to make predictions of what they should observe if a theory is true. Scientific theories are testable. New evidence should be compatible with a theory. If it isn't, the theory is refined or rejected. The longer the central elements of a theory hold the more observations it predicts, the more tests it passes, the more facts it explains the stronger the theory.
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Which correctly lists the three gases that are part of Earth’s cycles in both the atmosphere and biosphere? radon, carbon monoxide, oxygen carbon dioxide, nitrogen, oxygen nitrogen, carbon dioxide, carbon monoxide carbon dioxide, radon, oxygen
The three gases that are part of Earth’s cycles in both the atmosphere and biosphere are:
oxygen- nitrogen- carbon dioxideExplain your answer?
The oxygen, nitrogen, and carbon dioxide are the three gasses that are constantly moving through the atmosphere and biosphere in their own respective cycles.
The oxygen is used by the animals for breathing, but it is also released as a byproduct by the producers. The nitrogen is used as a food source for the producers, as well as the carbon dioxide which is crucial for the process of photosynthesis.
Thus, Part of them is released through decomposition, part by releasing them in the atmosphere or in the soil.
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Answer:
It's B - carbon dioxide, nitrogen, oxygen
Explanation:
edge
What are the definitions of compression and tension
Answer:
Compression means a decrease in the volume of any object
Tension is the degree to which anything is stretched or strained
Explanation:
Hope this helps:).....if not then sorry for wasting your time and may God bless you:)
which statement about RNA is correct
a. tRNA bonds with mRNA, bringing in amino acids
b. rRNA helps tRNA make a copy of the DNA gene
c. mRNA carries the code of rENA to the nucleus
d. mRNA is made from tRNA drying transcription
Answer:
à
Explanation:
r
tRna bonds with mRna, bringing in amino acids
Which of the four characteristics of
populations is the summary of the
amount of individuals at each age?
A. Growth Rate
B. Age Structure
C. Population Density
D. Age Span
The summary of the amount of individuals at each age is the age structure. That is option B
What are the characteristics of population?Population is defined as the group of individuals or animals that are living in a particular geographical location.
The characteristics of population include the following:
growth rate,Age structurepopulation density andAgeThe amount of individuals at each age is the age structure of the population.
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The texture of a single melodic line without accompaniment is:
Answer:
Monophony
Explanation:
4. When does a decay series end?
Answer:
A decay series ends when a stable nuclide is reached - it will no longer spontaneously decay.
Explanation:
Name and describe three measures of central tendency used to summarize data.
Which answer best explains the choice of materials used in this coffee
maker?
A. Plastic is used for the handle to slow the transfer of thermal
energy, because its electrons do not move freely.
B. Metal is used for the burner below the pot to speed the transfer of
thermal energy, because its electrons do not move freely.
c. Metal is used for the burner below the pot to slow the transfer of
thermal energy, because its electrons move freely.
D. Plastic is used for the handle to speed the transfer of thermal
energy, because its electrons do not move freely.
The best explains the choice of materials used in this coffee maker is metal is used for the burner below the pot to speed the transfer of thermal energy, because its electrons do not move freely.
What is used to make coffee?As an example, we can mention thermoses, scales, bottles and even special bottles. Regardless of what you prefer to use to prepare your pretão, the tip is to gradually build a real coffee kitchen. Thus, you find what you like most about the experience, which is the world of coffee.
In this case, we used Metal is used for the burner below the pot to speed the transfer of thermal energy, because its electrons do not move freely.
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Select the correct answer from each drop-down menu. minerals are micronutrients required by the body for various key functions. the mineral is required to carry oxygen in the blood to all body tissues, and is a rich source of this mineral.
Minerals are micronutrients required by the body for various key functions. The functions of minerals are further discussed below.
What are functions of minerals?Minerals are part of the nutrients that makes up the six classes of food that is essential for proper health and growth of human beings.
The functions of minerals include the following:
helps in production of hormones,helps in production are of enzymes,helps in keeping your bones, muscles, heart, and brain working properly.Therefore, Minerals are micronutrients required by the body for various key functions.
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Answer:
iron and red meat
Explanation:
Which region of the circulatory system allows passage of nutrients and other small molecules to service nearby tissues
Which ,begin emphasis,three,end emphasis, conclusions can be made from the food chain? answer options with 5 options a. organisms give energy to the sun. b. sunlight is the main source of energy. c. consumers get energy from producers. d. energy moves from one organism to another. e. energy moves in both directions among the organisms.
Answer:
Not all the energy is passed from one level of the food chain to the next. About 90 per cent of energy may be lost as heat (released during respiration), through movement, or in materials that the consumer does not digest. The energy stored in undigested materials can be transferred to decomposers.
Explanation:
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A ________________ is the rod shaped part of a cell that carries the genes.
Question 2 options:
cell membrane
chromosome
phenotype
genotype
Answer:
The rod-shaped structures in the cell nucleus that contain genes are called chromosomes.
I passed all my exams because of brainly!
Answer: sheesh
Explanation:
How is the lac operon
regulated?
A. It is regulated by chemical signals.
B. It is regulated by transcription factors.
C. It is regulated by the presence of lactose and the lac
repressor gene.
A pattern of stars ________ during the nighttime.
a. can appear to move
b. can shift position
c. will get brighter
d. will move closer
Answer:
A. Can appear to move
Explanation:
As the Earth rotates on its axis, the patterns of stars in the night sky appear to move.
This can be found in the nucleus, and are tiny strands
that contain the instructions for directing the cell's
functions.
a. dna
b. chloroplasts
c. golgi bodies
d. er
Answer:
The answer is A. DNA.
Explanation:
Control center of the cell; contains DNAControl center of the cell; contains DNA Stores food, water, wastes, and other materials Found inside the nucleus and produces ribosomeWhy did the students leave the amylase and starch solutions in the water bath for five minutes in step 3
Answer:
Each enzyme functions at an optimum temperature. Below the optimum temperature, the enzyme's function slows, and will eventually become inactive. Above the optimal temperature, the enzyme's activity will slow. Too far above the optimum temperature and the enzyme becomes denatured (its shape changes) and it can no longer function. Amylase is the enzyme that breaks starch (amylose) down into maltose. The amylase and the starch were placed in the water bath to allow the reaction to occur at amylase's optimum temperature of 37 C.
. If a substance changes form one phase to another, is it still the same substance?
Answer:
Yes
Explanation:
A phase change does not change the chemical make-up of a substance. Phase changes are typically temperature dependent, and change only the movement and physical arrangement of the atoms and molecules in the substance. Water, for example, is composed of two hydrogen atoms attached to an oxygen atom by covalent bonds. That stays the same whether the water is solid (ice), liquid (water), or gas (steam). The chemical structure of water does not change as it goes through the different faces. It's still water. What does change is the speed at which the molecules move and how far apart they are as a result. Water vapor consists of molecules moving quickly and at random. As temperature drops, water molecules slow down. Since water is slightly polar, hydrogen bonds form between the molecules bringing them closer together.
How is the carbon cycle an example of law of conversation of energy?
Matter cannot be generated or destroyed, according to the Law of Conservation of Matter. Because the same carbon atoms are recycled throughout the carbon cycle, it is an illustration of the Law.
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Human Impact on Resources
Project: Roads in a Rainforest
Dont anser with a oaragraph im not looking for that
Answer:
Human impact on resources is negative for many reasons why being deforestation
Roads in the rainforest would be negative impact because your destroying habitats to an already limited envirment
Explanation:
Cytokinesis is when the cell
separates into two identical
daughter cells. Cytokinesis is
which phase of cell division?
Answer:
D. Last
Explanation: Cytokinesis occurs when the cytoplasm split and the 2 daughter cells are fully separated.
what type of organisms take in atmospheric carbon dioxide?
Which statements is true about organ systems in the human body?
Choose 1 answer:
(A) if one organ system fails, a different organ system can take its place.
(B) all organ systems carry out the same functions in the human body.
(C) organ systems interact to allow the body to live and grow.
Answer:
That is depend upon the proper function of the body
Hope it will help you to understand and help you to choose your answer yourself Thankyou
Mitosis is a form of cell division in which one cell divides into two new cells. Each new cell has the same number of chromosomes as the original cell.
In which of the following processes does mitosis play a vital role?
Answer:
growth
Explanation:
as the living organism grow, it's as a result of cell division
Answer:
dividing the number of cells into four daughter cells
After a forest fire, which type of organisms will begin secondary succession?.
Answer:
herbaceous plants
After a fire, species start to recolonize an area, beginning the secondary succession process. The first species to colonize are usually fast growing herbaceous plants, such as conifers or ferns, which require high levels of light.
Pioneering or early successional species are the kind of organisms that usually start secondary succession after a forest fire.
Thus, these creatures include grasses, herbaceous plants, and tiny shrubs that are small and have a rapid rate of growth. They have evolved to colonize and prosper in open, uncontrolled environments.
Pioneering species have developed systems that enable them to quickly germinate, develop, and reproduce while using the sunshine and nutrients that are accessible.
They support soil stability, moisture retention, and the development of additional plant species through improving environmental conditions. These early-successional species provide the way for the ultimate re-emergence of more mature trees and a complex forest ecosystem when secondary succession develops.
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