In pea plants purple flowers are dominant to white flowers.
If two white flowered plants are cross, what percentage of their
offspring will be white flowered?

Answer:

Explanation:

Organisms have different forms of circulatory systems. Humans have a closed circulatory system, while many mollusks and other invertebrates have an open system. In a closed circulatory system, blood is enclosed within blood vessels.

Answer:

Their cells are able to turn sunlight into food through a process called photosynthesis. In photosynthesis, producers combine carbon dioxide, water, and sunlight to produce oxygen and sugar (their food). Other organisms get energy by eating producers. ... It cannot directly use the Sun's energy to make food.

Explanation:

Answer: Their cells to turn sunlight into food through a process called photosynthesis. In photosynthesis producer combine carbon dioxide water, and sunlight to produce oxygen and sugar (tandem then makes there food).

Explanation:

Hope this helps

Answer:

Isaac Newton's 1666 experiment of bending white light through a prism demonstrated that all the colors already existed in the light, with different color "corpuscles" fanning out and traveling with different speeds through the prism.

Answer:

a rainbow!

Explanation:

Answer:

Pulled and wattled = 9/16

Pulled and no wattle = 3/16

horned and wattled = 3/16

horned and no wattle = 1/16

Explanation:

Pulled = P, Horned = p

Wattled = W, no wattle = w

Polled, wattle goats = P_W_

Since they produced offspring with horns and no wattles (ppww), it means both parents have the recessive allele for each trait. Hence, they are both heterozygotes with PpWw as genotypes.

       PpWw    x    PpWw

Genotypes ratio of the offspring:

P_W_ - 9/16

P_ww - 3/16

ppW_ - 3/16

ppww - 1/16

Phenotype ratio of the offspring:

Pulled and wattled = 9/16

Pulled and no wattle = 3/16

horned and wattled = 3/16

horned and no wattle = 1/16

(See the attached image for the Punnet's square)

Some alleles of a gene are dominant to others masking the effect this other alleles.

The polled, or no horn, trait (P) is dominant to the horned (p) trait.

Having wattles (W) is dominant to not having wattles (w).

A breeder crosses a polled, wattled male goat with a polled, wattled female goat.

The phenotypic and genotypic ratios would be

Parent genotype --- polled, wattled male and female goat -- P_W_

As the cross produced offspring with horns and no wattles (ppww), it shows both parents have the recessive allele for each trait.

Hence, they are both heterozygotes with PpWw for the traits.

Parent genotypes:  PpWw             x      PpWw

                             PW Pw pW pw         PW Pw pW pw

                PW         Pw          pW         pw

    PW    PPWW    PPWw     PpWW   PpWw

    Pw     PPWw    PPww      PpWw   Ppww

    pW    PpWW    PpWw      ppWW  ppWw

    pw   PpWw       Ppww     ppWw  ppww  

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Answer:

The helicase is essential because they separate the double-stranded DNA into single strands so that it could be copied.

Hoped this helped!

Two different species of mammals competing for the same water source is an example of two organisms competing for an abiotic factor.

Abiotic factors refers to non-living physical parts of the environment that affect living organisms as well as the functioning of ecosystems. In the above example, water source is a non-living part of an ecosystem which is required by both organisms.

This leads to competition of two mammals so we can conclude that two different species of mammals competing for the same water source is an example of two organisms competing for an abiotic factor.

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Answer:Transport of the positively charged proton is typically electrogenic, i.e. it generates an electrical field across the membrane also called the membrane potential. ... In cell respiration, the proton pump uses energy to transport protons from the matrix of the mitochondrion to the inter-membrane space.

Explanation:

Answer:A. BW x BB

Explanation:

The parental cross that was most likely responsible for the percentages of offspring fur color, the scientist found, BW x WW. The correct option is A.

The exchange of genetic material between non-sister chromatids of homologous chromosomes occurs during crossing over, an enzyme-mediated process. It happens during meiotic prophase I's pachytene stage.

When chromosomes of the same type are paired together during meiosis, a biological event called crossing over takes place.

Parts of the chromosome can be exchanged when two chromosomes, one from the mother and one from the father, line up. The same genes may be present on the two chromosomes in different versions.

Therefore, the correct option is A. BW x WW is the result of the crossing over of offspring for a mated pair of hamsters.

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Answer:

Given the values for G1, G2, and G3, the blank spaces are filled below.

Explanation:

Assuming that

G1 = dogs

G2 = mammals

G3 = things with hair

Then

(A) All G1 are G2

(B) All G2 are G3

(C) Therefore, all G1 are G3

Answer:

wool hair fibres act as an insulator to trap the air inside the cloth, which helps stabilise your body temperature.

Answer:

precipitation

Explanation:

Answer:

In other side there are 10 common medicinal plants

Explanation:

hope it helps you ^^

Answer: It will take the frog 25 minutes.

Explanation:

Answer:

The Industrial revolution increased chances of survival for human due to technology and increased ways to get food

Explanation:

The human population of the planet increased gradually for more than 10,000 years after the Agricultural Revolution. As the population continues to grow, competition for resources will increase. Natural disasters and political conflicts will exacerbate the problems, especially in the more stressed regions of developing nations. The survivors of this competition will likely be determined by factors such as place of birth and educational opportunities.

Answer:

d) Neither accurate or precise

Explanation:

Accuracy and precision are critical factors in the experimental procedure. Accuracy can be defined as the amount of uncertainty in the process of measurement in relation to the true value (in this case, 10 mL). On the other hand, precision is an independent feature of the accuracy which indicates the repeatability of the measurement process (in this case, three measures weren't repeated). Therefore, precision indicates the confidence of a particular measurement, while accuracy indicates how close is this value to the real value.

Answer:

Ann atom of hydrogen consists of one proton surrounded by one electron

Answer:

its C I believe

Explanation:

Answer:

a) YR, Yr, yR, yr

b) YR, yr

c) Yr, yR

d) YR, yr, Yr, yR

Explanation:  

Before gametes are formed, during anaphase sister chromatids separate and migrate to the poles. Following the low of segregation and independent assortment, alleles from the same trait and from different traits separate independently from each other. During this separation, there might be different gene combinations according to their position in the chromosome, the occurrence of crossing over, and the destiny of each chromatid.

a. Genotype YyRr, if Y and R are on different chromosomes

Genes are located in two different chromosomes, which means that there might be four possible gametes.

b. Genotype YyRr, if dominant Y and R are on the same chromosome, no crossing over

Genes are located in the same chromosome, which means that there might be two possible gametes.

c. Genotype YyRr, if dominant Y and recessive r are on the same chromosome, no crossing over

Genes are located in the same chromosome, which means that there might be two possible gametes.

d. Genotype YyRr, if dominant Y and R are on the same chromosome, 50% crossing over

The fact that there is 50% crossing over means that these genes are not linked. There are four possible gametes

Answer: True

Explanation:

Genes are simply referred to as the unit of hereditary. It should be noted that the genes consist of DNA.

The statement that genes which are close to each other on the bacterial chromosome that is to be contransformed are said to be linked is true.

Therefore, the answer is true.

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Livestock farming is one of the most significant sources of excess nitrogen and phosphorous pollution. These compounds can deplete oxygen in lakes and rivers by causing excessive vegetation and algae development. Eutrophication, or the loss of biodiversity, is a result of this process.

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Hope it helps...

Have a great day!

Answer:

a

Explanation:

mystery plant has dominant genes that cause purple stems  

Protein markers react with specific antibody, which are proteins found in the immune system.

Proteins are large micromolecules and macromolecules that comprise one or more long chains of amino acids.

The major proteins found in the immune system are  cytokines, antibodies, and complement proteins.

Thus, Protein markers react with specific antibody, which are proteins found in the immune system.

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Answer:

Countercurrent flow met the goals due to difference in concentration gradient.

Explanation:

Countercurrent flow met the goals because it flows in opposite direction while on the other hand, parallel flow did not meet the goals because it flows in the same direction. For example. the blood flows in one direction and the dialysate flows in the opposite direction. The countercurrent flow of the blood and dialysate increases the concentration gradient between the blood and dialysate. The increased gradient helps to remove more potassium, phosphorus and urea from the blood. If we used parallel flow so less  concentration gradient of solutes is present and hence, less potassium, phosphorus and urea are removed from the blood

In fluid or a flowing body when there is interexchange or a crossover of some fluids with each other is called countercurrent flow while when the fluid flows in the same direction then it is called parallel flow.

Countercurrent meets goals because of concentration gradient differences.

Therefore, countercurrent achieves its goal while parallel dies not.

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Answer:

Give me answer choices then I can help you

Explanation:

Answer:

D

Explanation:

Biotic factors-all the influences that organisms in the community have on each other

The correct answer to this question is the following.

Unfortunately, your question is incomplete. You did not attach the two stories. So we do not know what the topic is. You also forgot to attach a link or the title of these stories.

However, trying to help you we did some deep research and can comment on the following.

There are two stories about Conservation Activity. One is about "Using Forest Wisely" and the other is about "Community Conservation."

If that is the case, we can say that the economics delay scientists' first attempts for conservation affect the conservation study and the environment in that cutting those trees for economic purposes directly impact the wildlife and nature of the region.

Trees are the sentient beings that produce the oxygen human beings need to breathe fresh air. They clean the air because trees "breathe" carbon dioxide. The uncontrolled cutting down of trees could affect because resources could be scarce, increasing prices of goods.

One of the stories refers to the case of gorillas in places such as Rwanda or Uganda, risking the habitat of these animals and the entire environment of those forests, which also results in affecting the economy of the places.

Answer:

In all kinds of storms the coriolis effect cause the movement of water in the uppermost parts of the ocean also known as the ekman layer to create hills and valleys in the ocean topography or shape. Counterclockwise winds cause surface water to move to the right and away from a central point causing a sea surface valley. Clockwise winds cause surface water to move to the right and toward the central point causing a sea surface hill.      Thats all i know i hope i helped

Explanation:

Answer:seventy-seven thousand years ago, a craftsman sat in a cave in a limestone cliff overlooking the rocky coast of what is now the Indian Ocean. It was a beautiful spot, a workshop with a glorious natural picture window, cooled by a sea breeze in summer, warmed by a small fire in winter. The sandy cliff top above was covered with a white-flowering shrub that one distant day would be known as blombos and give this place the name Blombos Cave.

Explanation:

because they think they be cool with popularity when they look like fools