biology question 10 pts please help!!!?

1.A woman with normal blood clotting mates with a man who has hemophilia. Their first child is a boy who has hemophilia. Tests show that the father and son both have the same form of hemophilia, that it is X-linked recessive, and that the boy has normal genetic inheritance. You can predict that if the couple produces more children together, then the odds are that

a. half of the boys and half of the girls will have hemophilia.

b. none of the rest of the children should have hemophilia.

c. half of the boys and none of the girls will have hemophilia.

d. all of the children will have hemophilia.

2.Which of the following does NOT contribute to genetic variation?

a. DNA reorganization during interkinesis.

b. Random fertilization of gametes in sexual reproduction.

c. Recombination between non-sister chromatids.

d. Random segregation of chromosomes in Meiosis I.

e. Independent assortment of alleles in Meiosis II.

3. Which of the following is NOT true regarding dominance/recessiveness relationships of alleles?

a. These relationships arise from the physical interaction of a dominant allele sequence blocking a recessive allele from being expressed.

b. Dominant alleles are not necessarily more common in a population than recessive alleles.

c. They range from complete dominance through various degrees of incomplete dominance to codominance.

d. They indicate the mechanisms by which specific alleles are expressed in the phenotype.