e Below 18 Family Impacted By × c O String games: how t- Synapse 2.58 secure htt

Question

e Below 18 Family Impacted By × c O String games: how t- Synapse 2.58 secure https/synapse.umaine.edu ::: Apps B. 23 C. 1/2 D. 14 2. Red-green colorhlindness is caused by a mutation in a gene on the X-chromasome. b (dad) has red-preen colarblindness. Karen(mom) has color vision. Bob and Karen have a biological child named Taylos, who does not have red green ooorblindness. Taylor marries soeone who has red-green colorblindness and they have 2 bays and & girls. Buth boys have red-green colorblindness while all8 of tbeir sisters has color vision. Taylor is most likcly: A. The farher B. The mather c. Taylor is equally ikely to be the tather or the mother 3. The enzyme glucose-6-plhospbate dehydrogenase desincy GPD) is inerited as a recessive gene on the X elromosone in hmns. Below is a pedigree ofa aily affected by GPD. X- represents a mutant X chromosome. l1-2 has a child with a man that is not affected by G6PD. She is pregnant with tbeir first child. Genetic tests informed her that her child is a boy. What is the probability that her male child will have G6PD? B. 14 C. 1/2 E.1

Explanation / Answer

2- male child his only X chromosome from his mother. So if the mother has the defect in X- chromosome then the male child will have the disease.

So Taylor is the mother.

Correct answer is option B

3- male child his only X chromosome from his mother. So if the mother has the defect in X- chromosome then the male child will have the disease.

Since Male in I-2 has defective X-chromosome. So II-2 female will definitely be the carrier. Since the III-1 is a male child so he will receive his only X-chromosome from his mother so chance of male child having G6PD will be 1/2

SO answer is option C- 1/2

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