In dogs, erect ears (E) is dominant over droopy ears (e). what are the results if two heterozygous dogs have a litter of puppies?

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Jonathon

Geography

20 November, 06:00

In dogs, erect ears (E) is dominant over droopy ears (e). what are the results if two heterozygous dogs have a litter of puppies?

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Guillermo Lin · Answer 1

Genotypically, you get a 1:3:3:1 ratio of homozygous dominant, heterozygous, and homozygous recessive.

Phenotypically, you get a 3:1 dominant: recessive ratio.

If you solve by doing a punnet square, you can see these ratios.