Punnett Squares; #3 & #4.

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Presentation transcript:

Punnett Squares; #3 & #4

#3 Silkworms Copy the parts in RED Dominant gene: yellow cocoon (C) Recessive gene: white cocoon (c)

#3 Silkworms Cross a homozygous dominant worm with a homozygous recessive worm. 1. Show your work punnett square. 2. Show the genotypic and phenotypic ratios of the F1 generation.

Punnett Square #3 Silkworms Genotypic ratio: Phenotypic ratio:

Punnett Square #4, Mice Dominant Gene: black eyes (E) Recessive gene: red eyes (e) Parents: Both hybrids Show the genotypic and phenotypic ratios for the F1 generation.

Punnett Square #4, Mice Genotypic ratio: Phenotypic ratio: