WendyBeu457idn
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Gregor Mendel used pea plants that were heterozygous for each of two traits—seed color and seed shape—to generate a dihybrid cross. The phenotypic ratio of the resulting offspring was nine with round and yellow seeds, three with round and green seeds, three with wrinkled and yellow seeds, and one with wrinkled and green seeds. From these results, what could Mendel conclude?

a)Traits are inherited as pairs, sets, or groups.
b)Traits that are dominant mask traits that are recessive.
c)Gametes carry one allele for each trait.
d)Traits are passed independently of one another.

Sagot :

Answer: The correct answer is D) Traits are passed independently of one another.

Dihybrid cross is a genetic cross for two traits ( like color and shape of the seed). The main purpose of the dihybrid cross that was performed by Mendel was to determine relationship between different pairs of alleles.

When he performed the dihybrid croos, he got the phenotypic ratio 9:3:3:1 corresponding to nine with round and yellow seeds, three with round and green seeds, three with wrinkled and yellow seeds, and one with wrinkled and green seeds.

This elucidated the law of independent assortment. According to this law, alleles of one gene are separated independent of the alleles of another gene during gamete formation. In other words, traits are transmitted to the offsprings independently.

Thus, D) is the right answer.


Alexis1779idn

Answer:

D) Traits are passed independently of one another, on edg2020

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