Respuesta :
Answer:
genes exist in different forms, which we now call alleles. ... 2.11 In human beings, the gene for b-globin is located on chro- ... 3.22 The following pedigree shows the inheritance of a domi- ... 4.6 A woman with type O blood gave birth to a baby, also ... phase so that the two X chromosomes disjoin together. Option (B)
Explanation: