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Part A: What is the probability of producing and F1 offspring that phenotypically resemble either parent...

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Biology

Part A: What is the probability of producing and F1 offspringthat phenotypically resemble either parent from the cross?

AaBbCC x aabbCc

Note: Assume that capital letters represent completely dominantalleles.

Part B: Same cross. But in this case the alleles areincompletely dominant. What is the probability of producing and F1offspring that phenotypically resemble either parent from thecross?

Answer & Explanation Solved by verified expert
4.4 Ratings (776 Votes)
AnswerPart AThepossible genotypes for two allele A and a are AA Aa and aa It issaid that capital letters represent completely dominant alleles soA allele is completely dominant over a allele So the possiblephenotype will be phenotype1 for AA and Aa and phenotype2 foraa When one allele is completely dominant over another then bothhomozygous dominant and heterozygous genotypes produce samephenotypeAaaAaaaaAaaaGenotypic ratio in F1 generationAaaa 11 probability of Aa 50 or 05 and probability of aa 50 or 05Thepossible genotypes for two allele B and b are BB Bb and bb It issaid that capital letters represent completely dominant alleles soB allele is completely dominant over b allele So the possiblephenotype will be phenotype3 for BB and Bb and phenotype4 forbb When one allele is completely dominant over another then bothhomozygous dominant and heterozygous genotypes produce samephenotypeBbbBbbbbBbbbGenotypic ratio in F1 generationBbbb 11 probability of Bb 50 or 05 and probability of bb 50 or 05Thepossible genotypes for two allele C and c are CC Cc and cc It issaid    See Answer
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