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Nataly_w [17]
2 years ago
8

Explain the term "Poly Inheritance" and give an example of a human trait that is controlled in such manner

Biology
2 answers:
Alenkasestr [34]2 years ago
6 0

Answer:

Polygenic inheritance occurs when one characteristic is controlled by two or more genes. Often the genes are large in quantity but small in effect. Some examples include height, skin color, eye color and weight.

- In polygenic inheritance the "dominant" capital genes are additive, each capital gene adding one unit of color to the genotype.With more capital genes, the phenotype (appearance) gets darker.

lilavasa [31]2 years ago
4 0

Answer:

use this website

Explanation:

https://biologydictionary.net/polygenic-inheritance/

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The genes for miniature wings (m) and garnet eyes (g) are approximately 8 map units apart on chromosome 1 in Drosophila. Phenoty
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Tall height is dominant to short height in pea plants. You have a tall pea plant that you cross with a short pea plant. What is
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Answer:

The tall parent was heterozygous

Explanation:

If tall height is dominant to short height the only genotype possible for short height is hh, while there are two possible genotypes for tall height, Hh and HH. When HH is crossed with hh all the offspring are Hh, but if Hh is crossed with hh, a quarter of the offspring is HH, a quarter is hh and half is Hh. If the tall pea plants were HH there would only be tall offspring, but because there are some short offspring we know that the tall pea plants must have a genotype of Hh.  

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2 years ago
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