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During Mendel's first set of experiments, he allowed true-breeding tall plants
to cross with true-breeding short plants. What happened when he allowed the
Fy offspring from this first set of experiments to self-pollinate?
O
A. When the F1 offspring, which were all tall, self-pollinated, about
25% of their offspring were short.
O
B. When the F, offspring, which were all short, self-pollinated, all of
their offspring were short.
O
C. When the F, offspring, which were all tall, self-pollinated, about
25% of their offspring were tall.
O
D. When the F1 offspring, which were all short, self-pollinated, all of
their offspring were tall.
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Answer:

A

Explanation:

When the F1 offspring, which were all tall, self-pollinated, about

25% of their offspring were short.

O

shivjimishraVT

When Mendel allowed the process of self-pollination between F1 offspring, the following conclusion was made:

  • When the F1 offspring, which were all tall, self-pollinated, about 25% of their offspring were short.

Thus, the correct option is A.

What is Breeding?

Breeding may be defined as the process of mating between two biologically different sets of organisms to produce fertile offspring.

When Mendel allowed true-breeding tall plants (TT) to cross with true-breeding short plants (tt), he noticed the genotype of Tt (hybrid tall) in the F1 generation.

When this F1 generation again self-pollinates, i.e. Tt × Tt, the produced offspring are TT, Tt, Tt, and tt. Among which 75% of them are phenotypically tall, while 25% of them are phenotypically short.

Therefore, the correct option for this question is A.

To learn more about Mendel cross, refer to the link:

https://brainly.com/question/8083392

#SPJ2

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