Question

a pea plants with yellow and round seeds is cross ed with another pea plant with green and wrinkled seeds produced 51 yellow round seeds and 49 yellow wrinkled seeds genotype of o plant with yellow round seeds must be​

Answer 1

Answer:

10th

Biology

Heredity and Evolution

Heredity

A pea plant with yellow and...

BIOLOGY

A pea plant with yellow and round seeds is crossed with another pea plant with green and wrinkled seeds produce 51 yellow round seeds and 49 yellow wrinkled seeds, the genotype of plant with yellow round seeds must be _________.

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ANSWER

When we see the phenotype of the two types of progeny we find that both the types have the seed colour yellow while approximately 50% of them have round seed type while the other 50% have wrinkled seed type. So, the pea plant with yellow and round seeds must be homozygous for yellow seed colour (YY) while it must be heterozygous for the round seed type (Rr).

So, the genotype of the plant with yellow and round seed is YYRr.

[Note: Seed colour: Yellow is dominant, green is recessive.

Seed type: Round is dominant, wrinkled is recessive.]

Explanation:

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Answer 2

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When we see the phenotype of the two types of progeny we find that both the types have the seed colour yellow while approximately 50% of them have round seed type while the other 50% have wrinkled seed type. So, the pea plant with yellow and round seeds must be homozygous for yellow seed colour (YY) while it must be heterozygous for the round seed type (Rr).

So, the genotype of the plant with yellow and round seed is YYRr.

[Note: Seed colour: Yellow is dominant, green is recessive.

Seed type: Round is dominant, wrinkled is recessive.]

So, the correct answer is 'YYRr