What would the possible blood types of a child be if his parents were type AO and type BB? Please give detailed explanation
A person's blood type is determined by the combination of three alleles IA, IB, and i. The possible blood types of the child born from A0 and BB parents are AB and B.
What is the ABO group?
The I gene determines the blood type of a person. This is a triallelic gene that expresses complete dominance and codominance.
Alleles
IA allele is dominant over the i allele. The person presents A type of antigens.IB allele is dominant over i. The person presents B type of antigens.IA and IB alleles express codominance. In this case, the person presents both types of antigens, A and B.i is the recessive allele. The person does not present any antigen.Genotypes and Phenotypes
H0m0zyg0us dominant or heter0zyg0us Individuals IAIA or IAi will express the A blood type.H0m0zyg0us dominant or heter0zyg0us Individuals IBIB or IBi will express the B blood typeIndividuals with h0m0zyg0us recessive genotype ii will express the 0 blood type.Individuals carrying IA and IB alleles will express the AB blood type.Now, in the exposed example
Cross: A0 x BB
Parentals) IAi x IBIB
Gametes) IA i IB IB
Punnett square) IA i
IB IAIB IBi
IB IAIB IBi
F1) 1/2 = 50% of the progeny is expected to be IAIB and have AB blood type
1/2 = 50% of the progeny is expected to be IBi and have B blood type
The possible blood types are AB and B.
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Think of a common pet or other familiar animal and identify three examples of structural adaptations it has. Explain why these adaptations are useful. Then identify a physiological adaptation in the animal and describe how it could help the animal survive or reproduce.
Structural adaptations are biological characters of an organism like the bill on a bird or the fur on a bear. Other adaptations are behaviour.
Define adaptation?Adaptation, the method by which a species becomes adapted to its surroundings; it is the outcome of biological selection's acting upon heritable divergence over various generations.
Thus,Structural adaptations are biological characters of an organism like the bill on a bird or the fur on a bear.
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Answer:
I have observed my pet cat and my findings are as follows:My cat’s ears are long, because this helps in heat radiation in our warm climate.Due to the warm climate, my cat sheds a lot of its fur to stay cool.My cat has sharp teeth and claws to catch and eat its prey. This may be because cats belong to the lion family, and they evolved to hunt their own prey.The fact that my cat has fast-growing nails that can be kept sharp is a physiological adaptation, which has helped cats scratch off predators and thus better their survival chances. In this case, the sharp nails are structural but the fast growth is physiological.
Explanation:
edmentum
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What is the role of tRNA during translation?
A. It translates from amino acids to nucleic acids.
B. It moves the codons into a chain.
C. It moves the amino acids into a fhain.
D. It provides the code for the protein.
Answer:
a
Explanation:
Students are the only ones that need to follow the lab safety rules. Students are the only ones that need to follow the lab safety rules. True False
FALSE
WHY?
BECAUSE IS NOT THE ONLY STUDENTS NEED TO FOLLOW THE LAB SAFETY RULES.
Read the statement.
A new allele added to the gene pool provides an advantage. The individual with the allele breeds and passes on the trait to their offspring.
This describes the evolutionary effects of what process?
genetic drift
genetic drift
mutation
mutation
random mating
random mating
gene flow
PLEASE HELP ME FAST. How would a reduction of carbon dioxide emissions affect the oceans? Select the two correct answers.
It would reduce ocean temperatures.
It would increase ocean temperatures.
It would lower the pH of the oceans.
It would raise the pH of the oceans.
Answer:
It would lower the pH of the oceans.
Explanation:
When carbon dioxide dissolves in seawater, the water becomes more acidic and the ocean's pH (a measure of how acidic or basic the ocean is) drops. Even though the ocean is immense, enough carbon dioxide can have a major impact.
CO2 emissions are also making the ocean more acidic, making many marine species and ecosystems increasingly vulnerable. Ocean acidification reduces the ability of marine organisms, such as corals, plankton and shellfish, to build their shells and skeletal structures.
How do the underlined words affect the meaning of the passage? A. They argue that children should not be allowed to play loudly on the beach. B. They encourage readers to learn more about dolphin lifecycles. C. They make the issues that marine creatures face more relatable to humans. D. They suggest that sound sanctuaries are not entirely necessary.
The underlined words affect the meaning of the passage by : ( B ) They encourage readers to learn more about dolphin life cycles
Why do we highlight ?The purpose of highlighting a word or a phrase in a block of sentence is to draw the attention of the reader to the word so that the key information which the reader seeks cannot be missed.
We can highlight by either bolding the words or underlining the words containing the key information.
Hence we can conclude that the underlined words, encourage readers to learn more about dolphin life cycles
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Attached below is the missing image
Answer:
Explanation:
C. They make the issues that marine creatures face more relatable to humans.
12 12
Distinguish between the terms life expectancy
and life span. Explain why one of these has
changed significantly over the past century and
the other has not. Your initial post should be 3-4
paragraphs in length. Use at least three sources
to research your answers. Remember to cite
your sources within your posting and list the full
citations at the end. You will also need to
Answer:
life expectancy is the period one is expected to live and life span is the years one has lived
Why do the colors in the light spectrum bend at different angles when they pass through a prism?
The colors in the light spectrum have the same wavelength.
The colors in the light spectrum have different wavelengths.
The colors in the light spectrum have different refractive indices.
The colors in the light spectrum have the same refractive indices.
Answer:
Since the differences in the refraction index between the air and the glass, light bends once it enters the prism. Since the sides are angled the light bends even more when it leaves the prism.
Explanation:
When are the evolutionary effects of genetic drift the greatest?
The population size is small
The population size is large
$exual selection occurs
Intraspecific competition is weak
Answer:
The population size is small
Explanation:
If population size is small, the genetic diversity is low. Thus, genetic drift overtime results in individuals with very similar genotype. This is bad news because if a particular disease affects suppose organism with AA genotype and due to genetic drift all members are AA, then all the organisms might be decimated and extinct.
Answer:
population size is small
Explanation:
In Meiosis, what phase does crossing over, independent assortment, and non disjunctions occur? What are the two types of gametes produced in meiosis? How is genetic variation created in meiosis? What are the possible conditions that could arise is as a result of nondisjunction? What are the phases of meiosis?
Which of the following statements correctly describes the relationship between biodiversity and sustainability? (1 point)
O Biodiversity and sustainability both increase when the number of species in an ecosystem decreases.
O Biodiversity and sustainability both increase when the number of species in an ecosystem increases.
O Biodiversity increases while sustainability decreases with an increase in the number of species in an ecosystem.
O There is no relationship between biodiversity and sustainability.
The statement that correctly describes the relationship between biodiversity and sustainability is, biodiversity increases while sustainability decreases with an increase in the number of species in an ecosystem.
What do you mean by Biodiversity?Biodiversity may be defined as the sum total of all the living organisms living in a particular ecosystem.
As the number of species increases, biodiversity also increases because both are directly proportional to one another.
While the species enhancement negatively impacts the sustainability of the environment.
Therefore, the statement that correctly describes the relationship between biodiversity and sustainability is, biodiversity increases while sustainability decreases with an increase in the number of species in an ecosystem.
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Since 2000, pet owners in Florida have been releasing their pet pythons into the wild once they become too large to keep in their homes. The pythons do not have any natural predators and feed on native wildlife such as rabbits and racoons. They consume resources that would normally be available to plants and animals in the Florida ecosystem. What would the pythons be considered?
What is the principle of base pairing
Explanation:
in dna cytosine pairs with guanine and adenine pairs with thymine add on rna adenine pairs with uracil
Respond to the posts indicating your agreement or disagreement with their position and why. Feel free to bring in additional references to these reply posts.
post only irrelevent questions~
can anybody help pic below
Answer:
Your answer is Option C
Explanation:
Stay safe, stay healthy and blessed
Have a good day !
Thank you
what type of muscle tissue is found only in the heart?
Answer:
The cardiac muscle is only found in the heart.
Briefly explain how cell differentiation and cell death are both needed to develop such structures as human hands and feet.
Answer:
Apoptosis also plays a key role in human development. For instance, as we saw in the introduction, your hand started out as a paddle-like block of tissue when you were an embryo. The block was “carved” into fingers by apoptosis of the cells in between the developing fingers.
Explanation:
What two types of movements do all planets have? What natural phenomena do they cause?
PLS I NEED IT FOR NOW
Answer: Rotation and revolution. Natural phenomena is day/night, seasons changing, tides changing, wind direction, ocean currents, precipitation.
Explanation:
Rotation is when an object spins on its own access, Revolution is when an object orbits or travels in an elliptical around another object. Like the earth revolves around the sun once every 365 days. The earth also rotates once every 24 hours.
For the natural phenomena, when the earth is moving as it does, there is a constant change in everything on the earth. Because of rotation, day and night happens. Because of revolution, seasons change. All of this makes different currents and weather.
Answer:
First question: orbit and spin
Orbit is around the sun, which causes the years to form
Spin is the planet itself, which causes the days to form.
Explanation:
Read the excerpt from Blanca Flor. Juanito. Really. Where? [THE DUENDE points to a path in the forest. JUANITO stands up and looks down the path.] Juanito. There's nothing down that path. I've been down that path and there is nothing there. The Duende. Look again. Look again. Be careful. Be careful. (He begins to walk off, carrying the bag of tortillas with him.) Why does the author provide foreshadowing in this excerpt? to indicate that the Duende is evil to indicate that the Duende eats too much to indicate that Juanito will be in danger to indicate that Juanito needs more tortillas
Stage directions are the instructions that a story or a play has in between the dialogues ad even the beginning of the play.
What is Stage directions?Stage directions are the instructions that a story or a play has in between the dialogues ad even the beginning of the play. They indicate how the actions are done, where or what is happening and the movement, the position, or even the tone of whatever is happening in the scene.
The given detail from Blanca Flor is an example of stage direction. It indicates the unspoken action that is happening in the scene, which cannot be mentioned as part of a dialogue. It also reveals the actions of both the Duende and Juanito which cannot be spoken of in words but only seen in actions.
Thus, Stage directions is the answer.
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Do peas and pea pods always appear the same on the same plant?
Answer:
Not really, because one pea pod might hold five peas, which another one on the same plant might be holding seven.
Below is a food web from a tundra ecosystem in Nunavut, a territory in Northern Canada
Which two of the following organisms are secondary consumers in this food web?
parasitic jaeger
barren-ground caribou
bilberry
Arctic fox.
Answer:
2 and 4
Explanation:
Those eat things to become secondary
In which of the atmospheric layers is the ozone layer located?
A: Troposphere
B: Stratosphere
C: Mesosphere
D: Thermosphere
Which of the following is a strategy for controlling water pollution?
A: Using more salt on roads during snow and ice storms
B: Reducing natural wetlands by filling them in
C: Discharging hazardous chemicals directly into rivers
D: Identifying storm drains and placing signs on them to remind people not to dump chemicals in them
Answer:
D: Identifying storm drains and placing signs on them to remind people not to dump chemicals in them
Explanation:
Water pollution is the contamination of water either consciously or unconsciously.
From the options, the correct answer is Option D.
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[tex] \sf \red{Which \: of \: the \: following \: is \: a \: strategy \: for \: controlling \: water \: pollution?}[/tex]
[tex]\large{\underline{\underline{\pmb{\frak {\color {blue}{Answer:}}}}}}[/tex]
Since, mainly water pollution is caused by the waste chemicals that come out from factory. So, we should discharge factories that they shouldn't directly pass the chemical into rivers.
[tex]\pink\star[/tex]C: Discharging hazardous chemicals directly into rivers. So option (C) is correct.
[tex] \boxed{ \frak \red{BrainlySamurai}}[/tex]
Carbohydrates are found in
A. grains.
B. water.
C. vitamins.
Answer:
A- grains
Explanation:
Carbohydrates are starchy food
Answer:
A) grains
Explanation:
Carbohydrates are among the most abundant nutrin in grains fruits and vegetables. Types of carbon in these foods include sugar starches and fiber
Trees maintain the balance between gases in the air, removing carbon dioxide from the air and releasing oxygen.
Please select the best answer from the choices provided
T
F
False, due to pollution and greenhouse gasses, although trees do absorb Co2, the air is still not ballenced. Trees help, but not enough.
Answer:
True statement
Explanation:
D
Question 1
What does an allele represent?
Each pair of alleles represents the genotype of a specific gene.
Alleles are defined as the pairs of genes, occupying a particular spot on a chromosome.
A zygote is best described as _____.
A. a complete set of chromosomes
B. a sperm rejected by a hardened egg
C. the first diploid cell after fertilization
D. an egg just before fertilization
Membuat 10 kalimat tanya
Pertanyaan bertujuan untuk menanyakan :
- Pentingnya air bagi manusia.
- Fungsi air bagi manusia.
- Cara melestarikan air.
Tolong bantu pliss
Answer:
Hindi ko maintindiyan yaan
A researcher is analyzing a sample of ocean water that is particularly rich in nutrients and colder than the other samples of water collected. Based on this information, from which area of the ocean was the water probably taken?
A.
the beginning of an estuary at the mouth of a strong river
B.
an area with high salinity, where very few organisms can survive
C.
near the bottom of the ocean, close to the sea floor
D.
near the ocean’s surface, where atmospheric carbon is absorbed
Answer:
the beginning of an estruary