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saul85 [17]
3 years ago
14

Alleles are described as ____________________. homologous chromosomes homologous chromosomes alternate versions of a gene altern

ate versions of a gene alternate phenotypes alternate phenotypes environmental factors that affect gene expression
Biology
1 answer:
sergeinik [125]3 years ago
8 0

Answer:

The correct answer is - alternate versions of a gene.

Explanation:

In a cell, if there are two copies of each chromosome, these are called homologous chromosomes, one come from the father and the other comes from the mother, which helps in promoting the variety and stability of a species.

Different or alternate versions of genes are possible that can result in two phenotypes for the same trait, these alternate versions called alleles. Alleles can be dominant and recessive.

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How do mutations effect individual traits?
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Mutations can affect the coding of "base pairs" in the chromosome of an individual by various means like:
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3) by Translocation
4) by Inversion

After all that changes, codes deviates from normal information & can affect individual in negative way. In that manner, Mutations affect individual traits.

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3 years ago
What is most unusual about parasites
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4 0
3 years ago
Read 2 more answers
Which statement regarding the relative ages of rocks and events is
taurus [48]

Answer:

C. Faults are younger than the youngest layer they cut through.

Explanation:    

<em> A. Intrusive rock is older than the surrounding rock layers. </em>WRONG. The intrusive rocks are those that solidify underground and always form after the ones around them. So they are younger than the surrounding rocks.

<em>B. A fold is older than the oldest rock layer it contains. </em>WRONG. First, layers are set, and then, it occurs the folding. The folding is always younger than the involved layers.  

<em>C. Faults are younger than the youngest layer they cut through.</em> RIGHT. A fault is a cut through different layers that occurs when the sedimentary rock breaks transversally. It occurs always after the sedimentary rock is already formed. So the fault is always younger than all the layers it cuts through.

D. Rock layers that have been overturned are oldest from the base to the surface. WRONG. If <u>overturned</u>, according to the superposition low, layers are oldest from the surface to the base. Superposition law states that during the sedimentary rock formation, the oldest layer is always that one at the bottom, while the younger layer is the higher one.

4 0
3 years ago
HURRYY!!<br><br> Why have American's portion sizes become larger in the last decade?
Viefleur [7K]

Answer:

American's portion sizes have become larger in the last decade due to the expanding of food industries and marketing campaigns that tell us to eat more.

Explanation:

The growth of food industries in the last decades to obtain more money in combination with the media influence has led us to eat more, thus why the size of our portions has increased their size.

Another theory states that people always want to eat more, and the industry has only fulfilled this demand, but it is not clear why, in the past, this did not happen.

8 0
3 years ago
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