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5) In a species of frog the gene for color shows codominance. Frogs that are black and frogs that are yellow are homozygous. Frog with one black allele and one yellow allele are black and yellow (i.e. their skin is black with yellow spots). For each of the following construct a Punnett square and give phenotypic and genotypes and the ratios of the offspring. 4 points a) a yellow frog mates with a black frog b) a yellow frog mates with a black and yellow frog (i.e. black frog with yellow spots) c) a black frog mates with a black and yellow frog (i.e. black frog with yellow spots) d) two black and yellow frogs

          5) In a species of frog the gene for color shows codominance. Frogs that are black and frogs that are yellow are homozygous. Frog with one black allele and one yellow allele are black and yellow (i.e. their skin is black with yellow spots). For each of the following construct a Punnett square and give phenotypic and genotypes and the ratios of the offspring. 4 points

a) a yellow frog mates with a black frog
b) a yellow frog mates with a black and yellow frog (i.e. black frog with yellow spots)
c) a black frog mates with a black and yellow frog (i.e. black frog with yellow spots)
d) two black and yellow frogs

5) In a species of frog the gene for color shows codominance. Frogs that are black and frogs that are yellow are homozygous. Frog with one black allele and one yellow allele are black and yellow (i.e. their skin is black with yellow spots). For each of the following construct a Punnett square and give phenotypic and genotypes and the ratios of the offspring. 4 points

a) a yellow frog mates with a black frog
b) a yellow frog mates with a black and yellow frog (i.e. black frog with yellow spots)
c) a black frog mates with a black and yellow frog (i.e. black frog with yellow spots)
d) two black and yellow frogs

Added by Joseph B.

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