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Using the diagram as a guide, create a Punnett square to show a cross between Jason's father, who has brown hair, and Jason's mother, who has blonde hair (Hint! Jason's father's mother has blonde hair).



Explain the process of completing the Punnett square for Jason's parents. Be sure to correctly use the vocabulary terms Punnett square, genotype, phenotype, dominant, recessive, and alleles.



Based on the Punnett square, what is the probability that Jason would have brown hair?

Respuesta :

Answer:

50% probability  of brown hair.

Explanation:

Jason will have an 50% probability of having brown hair, brown hair is a dominant trait meaning Jason's fathers father had a brown phenotype as well since his mother had blonde phenotype. Causing Jason's father to have a genotype of of Bb, B is dominant brown phenotype and b is recessive blonde phenotype, and since Jason's mothers genotype is recessive b the possible genotypes are Bb, Bb, bb, bb so Jason has a probability of 50%.

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