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Please answer #19-22, explain and clearly indicate which # you are answering. Thank you so much!

(Q19-22) The pedigree below shows the inheritance patterns of two diseases among human populations: one is indicated by a ver

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Answer #1

Q. 19

Recessive and X-chromosome linked is the correct option because it is a type of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be always expressed in males and in female who are homozygous for gene mutation. Hence most affected individuals are males as shown in diagram.

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