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If a Potato Head, who is smiling and noseless, and who came from a mother with her tongue sticking out, mated with a Potato Head that is heterozygous for both of these genes, what phenotypes would be expected in their offspring? Include ratios.

Answer :

The expected phenotypic ratio of their offspring would be 1:1:1:1 or 25%:25%:25%:25%.

We can anticipate the possible allele combinations that the offspring may inherit from their parents using the laws of inheritance. There are two potential alleles for each trait, and each parent adds one allele to each trait. For each characteristic, the following possible allele combinations exist:

Smiling and noseless, with tongue sticking out: ss nn tt (homozygous for smiling and noseless, and homozygous recessive for tongue sticking out)

Heterozygous for both traits: Ss Nn Tt (heterozygous for smiling and noseless, and heterozygous for tongue sticking out)

The possible phenotypes of the offspring are:

Smiling and noseless, with tongue sticking out: 1/4 or 25%

Smiling and noseless, without tongue sticking out: 1/4 or 25%

Not smiling and noseless, with tongue sticking out: 1/4 or 25%

Not smiling and noseless, without tongue sticking out: 1/4 or 25%

The expected phenotypic ratio of their offspring would be 1:1:1:1 or 25%:25%:25%:25%.

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