Biology, asked by garimellasraavani, 8 months ago

In garden pea the gene T for tall is dominant over its allele for dwarf . Give the genotypes of the parents in the following crosses
A.tall×dwarf producing all tall plants
B.tall×tall producing 3 tall and 1 dwarf plants

Answers

Answered by vbsub

2

Answer:

A. TT x tt

B. Tt x Tt

Explanation:

F1

PHENOTYPE - TALL x DWARF

GENOTYPE - TT x tt

F1 PROGENY =Tt (ALL TALL)

F2 - F1 x F1

GENOTYPE - Tt x Tt

PHENOTYPE - TALL x TALL

F2 FERTILIZATION (PROGENY) = 3 TALL: 1 DWARF

GENOTYPE - 1 TT : 2Tt : 1 tt

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