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Mendel's Pea Plant Experiment

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Questions and Answers

What did Mendel observe in the first generation (F1) of the pea plant cross?

All offspring had wrinkled yellow seeds.

All offspring had round yellow seeds. (correct)

The offspring displayed a mixture of traits, with some having round yellow seeds and others having wrinkled green seeds.

All offspring had round green seeds.

What did Mendel discover by self-pollinating the F1 generation?

The traits of seed shape and color are linked and always inherited together.

The F2 generation displayed only wrinkled green seeds.

The traits of seed shape and color are not linked and are inherited independently of each other. (correct)

The F2 generation displayed only round yellow seeds.

What were the parental traits of the pea plants in the initial cross?

One parent had round green seeds, and the other had wrinkled yellow seeds.

Both parents had round yellow seeds.

Both parents had wrinkled green seeds.

One parent had round yellow seeds, and the other had wrinkled green seeds. (correct)

Which of the following could be a possible genotype of an F1 generation pea plant from the initial cross?

RrYy (A) Signup and view all the answers

Mendel's experiment demonstrated the concept of:

Independent assortment (A) Signup and view all the answers

If the round and yellow seed traits are dominant, what is the most likely genotype of the F1 generation pea plants?

RrYy (D) Signup and view all the answers

Which of the following phenotypic ratios would you expect in the F2 generation of this cross?

9:3:3:1 (A) Signup and view all the answers

What would be the phenotype of a pea plant with the genotype RrYy?

Round and yellow (D) Signup and view all the answers

The reappearance of the wrinkled and green seeds in the F2 generation demonstrates which principle of inheritance?

Independent Assortment (B) Signup and view all the answers

What is the probability of an F2 generation pea plant having the genotype rryy?

1/16 (A) Signup and view all the answers

Study Notes

Mendel's Pea Plant Experiment

Mendel crossed pea plants with round yellow seeds and green wrinkled seeds.
The first generation (F1) offspring all had round yellow seeds.
Mendel self-pollinated the F1 plants to investigate the recessive traits of wrinkled and green seeds.
The second generation (F2) showed new combinations of traits, alongside the original traits.
This indicated that seed shape and color are inherited independently.

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Description

Explore Gregor Mendel's groundbreaking experiment with pea plants where he examined the inheritance of traits such as seed shape and color. Discover how the F1 and F2 generations revealed key concepts in genetics and independent assortment. Test your understanding of Mendelian genetics through this quiz.