Show the phenotypic and genotypic ratios obta | vedclass

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Question

(A) In a monohybrid cross between two heterozygous individuals $(Tt 	imes Tt)$,the Punnett square results in the following genotypes: $\frac{1}{4} TT

Vedclass · Accepted Answer

Phenotypic ratio $3:1$,Genotypic ratio $1:2:1$

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(A) In a monohybrid cross between two heterozygous individuals $(Tt 	imes Tt)$,the Punnett square results in the following genotypes: $\frac{1}{4} TT$,$\frac{1}{2} Tt$,and $\frac{1}{4} tt$.This results in a genotypic ratio of $1:2:1$ $(1 TT : 2 Tt : 1 tt)$.Phenotypically,both $TT$ and $Tt$ express the dominant trait (tall),while $tt$ expresses the recessive trait (dwarf).Therefore,the phenotypic ratio is $3$ tall : $1$ dwarf,which is $3:1$.

Show the phenotypic and genotypic ratios obtained from a Punnett square for a monohybrid cross.

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