Question
answer check please
40. The pedigree below shows the nheritance of a rare disease in a family. In the third generation, why do some offspring in the family (do not consider in-laws) have the disease while other family members do no A. This disease is inherited autosomal resessive trait. Because the trait has a high frequency in he family normal members tend to be heterozygotes and the testcross would result in half the number of offspring having the disease B. This disease in inherited through the mitochondria, but because there are many mitochondria in a some individuals inherited cel more disease mitochondria than others. So the disease has variable expression C. This disease is inherited as an autosomal dominant trait. That is why one sees it in every generation, Some family members are recessive and normal.
Explanation / Answer
40. The answer is B, mitochondrial inheritance.
41. The answer is both D and E. Globin protein belongs to multi gene family and it is developmentally regulated.
42. The answer is E.q
43. The answer is A. Nonsence
44. The answer is A. Complete dominance
