1. Punnett Squares; #3 & #4

2. #3 Silkworms Copy the parts in RED
Dominant gene: yellow cocoon (C)
Recessive gene: white cocoon (c)

3. #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.

4. Punnett Square #3 Silkworms
Genotypic ratio:
Phenotypic ratio:

5. 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.

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