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zepelin [54]
2 years ago
7

Which of the following is required for evolution to occur in a population?

Biology
1 answer:
Nostrana [21]2 years ago
4 0

Answer:

A

variations in the population

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Imagine you are a plant breeder. Friends sent you two different varieties of a snapdragon flower; each have golden leaves rather
Neporo4naja [7]

Answer:

Complementation.

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

A trait refers to the specific features or characteristics possessed by a living organism. It is essentially transferred from the parent of a living organism to her offspring and as such distinguishes him or her. Some examples of traits in genetics are colorblindness, handedness, curly hair, height, complexion, weight, hair color, dimples, tongue-roll, etc.

Artificial selection is also known as selective breeding and it is a process that involves humans (breeders) selecting the animal or plant with desirable traits in order to reproduce favorable offspring having phenotypic traits.

Complementation can be defined as a relationship between two strains of a living organism both having distinct homo-zygous recessive mutations and results in the expression of a wild-type phenotype when crossed or mated.

In this scenario, there are two different varieties of a snapdragon flower having golden leaves rather than green leaves. Thus, crossing two different varieties of golden snapdragons would produce offsprings that have green leaves.

Hence, the above breeding is an example of complementation.

8 0
3 years ago
The point beneath the earths surface where rock breaks and an earthquake is produced known as the
Maurinko [17]
Focus because it means <span> the point beneath Earth's surface where rock breaks under stress and can cause an earthquake to happen.</span>
4 0
3 years ago
Suppose you have monohybrid flowers in your garden and find that they produce black seeds to brown seeds in the ratio of 3:1. If
Dvinal [7]
Hybrid = having one recessive and one dominant allele
This means that all of the flowers must have the genotype Bb.
Knowing this, let's make a Punnet Square.

\begin{tabular}{ l c } & B \ \ \ \ b\\ B & \boxed{BB}\boxed{Bb} \\ b & \boxed{Bb\ }\boxed{\ bb} \\ \end{tabular}

As you can see, 3 of these are going to have the dominant trait and 1 is going to have the recessive trait. This corresponds to our 3:1 in our question, meaning that the black seeds must be dominant and the brown ones recessive.

Because they are dominant, the genotype for black seeds could be BB <em /><em>or</em> Bb.
4 0
3 years ago
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Hydrothermal vents are often rich in metals, such as copper, and also host dense populations of marine organisms. Which of the f
nydimaria [60]

The answer is copper. Nonrenewable resources are those that cannot be readily/naturally replaced at rates that match those of consumption (an aspect that allow renewable resources to be sustainable). Copper are made deep in earth at very slow rates hence do not readily renew themselves. Organisms, on the other hand die, and are naturally replaced by offspring.

4 0
3 years ago
In horses, the allele for straight hair (H) is dominant, and the allele for curly hair (h) is recessive. A horse breeder mates a
Sauron [17]
It would be 75% because that is 3/4, the chances of dominant offspring.
3 0
3 years ago
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