Consider the following pedigree:   The trait being followed…

Consider the following pedigree:   The trait being followed in this pedigree shows dominant inheritance. Let’s call the two alleles controlling this trait B and b. What is the genotype of the male marked with a 1? [Bb] What is the genotype of the female marked with a 2? [bb] The male marked with a 1 and the female marked with a 2 have a daughter marked with a 3. Does she have the trait? [yes] If this couple (1 and 2) wants to have another child (?), what is the probability that this child will NOT inherit the disease?[half]

A diploid cell from a woman is shown below. Will this woman…

A diploid cell from a woman is shown below. Will this woman be healthy? [yes] Does she have a chromosomal abnormality? [Robertsonian] If this woman gets pregnant, is she at increased risk of miscarriage? [yes2] If this woman gets pregnant, is she at increased risk of having a baby with Down Syndrome? [yes3] Can this woman have a child with normal chromosomes? [yes4]