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Solve the monohybrid cross using a Punnet Square.
1. In a certain species of meadow mouse, dark coat is dominant over cream
coat. Cross
a heterozygous dark coated male with
another heterozygous
dark coated female. Find the phenotype phenotypic ratio, genotype
and
genotypic ratio of the offspring.
Parents-



Answer :

GinnyAnswer
To solve the monohybrid cross using a Punnett Square for the given scenario: 1. Determine the genotypes of the parent mice: - Male: Heterozygous dark coat genotype - Dd - Female: Heterozygous dark coat genotype - Dd 2. Create a Punnett Square to show the possible combinations of alleles in the offspring: | D | d | ------------------------ D | DD | Dd | ------------------------ d | Dd | dd | 3. Identify the possible genotypes and phenotypes of the offspring: - Genotypes: DD, Dd, Dd, dd - Phenotypes: Dark coat, Dark coat, Dark coat, Cream coat 4. Determine the genotypic and phenotypic ratios of the offspring: - Genotypic ratio: 1 DD : 2 Dd : 1 dd - Phenotypic ratio: 3 Dark coat : 1 Cream coat In conclusion, the offspring resulting from crossing the heterozygous dark-coated male and female will have a genotypic ratio of 1 DD : 2 Dd : 1 dd and a phenotypic ratio of 3 Dark coat : 1 Cream coat. This Punnett Square analysis helps predict the possible outcomes of the genetic combination.

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