What is the genotype of ${F_{1}}_{1}$ generation produced by Mendel's homozygous dihybrid cross between yellow round and green wrinkled seeds?

YyRR

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YyRr

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yyRR

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Yyrr

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Solution

The correct option is B YyRr
$∙$ The parents for Mendel's dihybrid cross were homozygous for both the characters. One parent having genotype YYRR and other parent having genotype yyrr. Hence, the gametes produced by them will be YR and yr respectively.
$∙$ The cross between these two parents will give $F_{1}$ generation with heterozygous yellow and round seeds with genotype YyRr.

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Similar questions

Q. The gametes produced in F1 generation of Mendel’s dihybrid cross between yellow round seeds & green wrinkled seeds are:

Mendel first crossed pure-bred pea plants having round -yellow seeds with pure-bred pea plants having wrinkled -green seeds and found that only round- yellow seeds were produced in the $F_{1}$ generation. When $F_{1}$ generation pea plants having round-yellow seeds were cross-bred by self-pollination, then peas having round-yellow seeds, round green seeds, wrinkled-yellow seeds and wrinkled -green seeds were produced. Mendel collected a total of 2160 seeds.

(a) What will be the number of (i) round green seeds (ii) wrinkled green seeds (iii) round yellow seeds, and (iv) wrinkled-yellow seeds?

(b) Which 'ratio' as established by Mendel have you made use of in answering the part (a) above?

Q. How many different genotypes and phenotypes are produced in the F2 generation of a dihybrid cross performed by Mendel considering that the parents are true breeding for round, yellow seeds and wrinkled, green seeds?

Q. A homozygous plant having round (R) and yellow (Y) seed is crossed with homozygous plant having wrinkled (r) and green (y) seeds:
(a) Give the scientific name of the plant on which Mendel conducted his hybridisation experiments.
(b) Give the genotype of the F1 generation.
(c) Name and state the law which explains the dihybrid ratio.

Q. A homozygous round yellow seed is crossed with a wrinkled green seed. What will be the ratio of round green, wrinkled green, round yellow, and wrinkled yellow seeds produced in the F2 progeny?

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What is the genotype of F1 generation produced by Mendel's homozygous dihybrid cross between yellow round and green wrinkled seeds?

What is the genotype of ${F_{1}}_{1}$ generation produced by Mendel's homozygous dihybrid cross between yellow round and green wrinkled seeds?