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Mendel's Laws of Heredity

When a tall p...

Question

When a tall plant with round seeds (TTRR) is crossed with a dwarf plant with wrinkled seeds (ttrr), the F $_{1}$ generation consists of tall plants with rounded seeds. How many types of gametes F $_{1}$ plant would produce

A

One

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B

Three

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C

Four

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D

Eight

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Solution

The correct option is C Four
The two genotypes involved is TTRR and ttrr. Gametes : TR and tr.
F $_{1}$ generation formed in the cross : TtRr
The gametes formed : TR, Tr, tR and tr.

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