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Problem: In poultry, rose comb is controlled by a dominant allele and its recessive allele controls single comb.A.Give the genotype and phenotype produced from crossing a pure-breeding rose comb chicken with a pure-breeding single comb chicken.B. Give the results of the backcross if the F1 hybrid with both pure-breeding parents.

FREE Expert Solution

If we set the comb trait of chickens with having the alleles C/c, a cross between a true-breeding rose comb chicken (CC) with a true-breeding single comb (cc) chicken would produce offspring following the Punnet square below:

It can be seen that all offspring would be heterozygous for the gene and would thus have the genotype Cc. The phenotype would be rose comb for all the chickens. This will be the F1 generation

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Problem Details

In poultry, rose comb is controlled by a dominant allele and its recessive allele controls single comb.

A.Give the genotype and phenotype produced from crossing a pure-breeding rose comb chicken with a pure-breeding single comb chicken.

B. Give the results of the backcross if the F1 hybrid with both pure-breeding parents.

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What scientific concept do you need to know in order to solve this problem?

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Based on our data, we think this problem is relevant for Professor Brookshire's class at KSU.