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Choose the correct answer: When Mendel crossed a plant homozygous for round seeds to another plant...

Choose the correct answer:

When Mendel crossed a plant homozygous for round seeds to another plant homozygous for wrinkled seeds, he found that all the progeny had round seeds. How is this explained?

a) The allele for round seeds is dominant to the allele for wrinkled seeds.

b) The progeny were homozygous for the allele for round seeds.

c) The parent that was homozygous for round seeds underwent self-pollination.

d) Segregation of alleles in the two parents produced gametes with both alleles.

e) The allele for round seeds is recessive to the allele for wrinkled seeds.

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Answer #1

The answer is a. The allele for round seeds is dominant to the allele for wrinkled seeds.

As the pure homozygous plants are crossed, they produce only one type of gametes. When these gametes produce the offspring, only dominant allele exhibits her character. On the basis of this mendal proposed his first law i.e. Law of Dominance.

Here the both are homozygous plants, and produced offspring will be in heterozgyous in condition. So, the dominant character will be expressed in the offspring.

Find the below image for explanation...

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