Gene Frequency Problems
1. If horned cattle are homozygous recessive, what are the phenotypic, gene, and genotypic frequencies of a herd that has 1000 cattle, 400 horned, and 600 polled?
2. How many of the previous herd are heterozygous carriers for the horned trait? (percent)
3. What portion of the polled animals carry the horned gene?
4. If in a herd of 500, 180 are homozygous polled, 140 heterozygous, and 180 homozygous horned, what are the gene frequencies of H and h?
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