How can the results obtained in a Punnett squ | vedclass

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(A) The results obtained in a Punnett square,such as the $TT : Tt : tt$ ratio of $1 : 2 : 1$,can be expressed mathematically by the binomial expansion

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Binomial expansion $(ax + by)^2$

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(A) The results obtained in a Punnett square,such as the $TT : Tt : tt$ ratio of $1 : 2 : 1$,can be expressed mathematically by the binomial expansion $(ax + by)^2$. In this case,the gametes $T$ and $t$ are present in equal frequencies of $1/2$ each. Therefore,the expression is $(1/2T + 1/2t)^2 = (1/2T + 1/2t) 	imes (1/2T + 1/2t) = 1/4TT + 1/2Tt + 1/4tt$.

How can the results obtained in a Punnett square be expressed mathematically?

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