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2 years ago

Describe three possible effects of genetic drift on populations and/or specific alleles.

Biology

1 answer:

vfiekz [6]2 years ago

4 0

Answer:

Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool. Genetic drift can also cause a new population to be genetically distinct from its original population, which has led to the hypothesis that genetic drift plays a role in the evolution of new species.

Explanation:

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Which best describes the living conditions of most immigrants during the Industrial Revolution?

Elodia [21]

Answer:

The living conditions were unfair. People owning big industries saw an opportunity to work these immigrants day and night, though they only paid them less then what they deserve (but they didn't know that because they are new to America). Immigrants often didn't have enough money to provide for their families, so many of them were split apart and some children had to work. Because most couldn't pay for housing, many immigrants from the same areas lived in groups so they could help support each other. It was a difficult time for many, and a lot of immigrant workers slept in the factories, for there was no else to go.

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3 years ago

Read 2 more answers

Are there any similarities between this Galapagos research and Darwin's research? Explain your answer.

Lyrx [107]

Answer:

yes it shows the evolution.

Explanation:

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3 years ago

What is creative electrical energy is converted to mechanical energy

hammer [34]

Energy transformation, also known as energy conversion, is the process of changing energy from one form to another. In physics, energy is a quantity that provides the capacity to perform work (Ex: Moving a heavy object from one place to another) On top of that, being convertible, according to the law of conservation of energy, energy is transferable to a different location or object, but it CANNOT be created or destroyed.

When it comes to transforming electrical energy to mechanical energy, A generator converts mechanical energy into electrical energy, while a motor does the opposite. A motor converts electrical energy into mechanical energy. Both devices work because of electromagnetic induction, which is when a voltage is induced by a changing magnetic field.

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4 0

3 years ago

In chickens, comb shape is determined by genes at two loci (R, r and P, p). A walnut comb is produced when at least one dominant

mariarad [96]

Answer:

in the obtained options, there is no dominant gene for the crossed pairs, therefore, no answer would be correct, however, when assigning a dominant character to the P gene, the correct answer would be:

E. Rr pp *rrPp

Explanation:

According to the information obtained we deduce:

Comb shape is produced by R and P

Comb of walnuts with an R or a P

Pink comb: 1 dominant P and R at the first locus and 2 recessive at the next locus

Pea comb: 2 recessive at the start and one dominant in the next position

1 single comb: 2 recessive at both loci

Rr pp × rr Pp will produce from the interbreeding: 2 walnuts, 1 single and 1 pea offspring.

We deduce that for the pink comb the genotype is: Rrpp

and for the pea comb it is rrPp

Rr pp × rr Pp generates crosslinks containing RrPp, rrPp, rrpp as children in a 2: 1: 1 ratio.

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3 years ago

If you develop a particular flower which cannot be reproduced from seeds, it could be preserved by grafting.

RideAnS [48]

True is the correct answer to your answer.

5 0

3 years ago