Exam 21: Human Development and Genetics

Which of the following statements are true of multiple allele inheritance? (Read carefully and select all of the correct statements.)

The embryonic membrane that has villi to provide for the nourishment of the early embryo is the ____________________.

The placental hormones that inhibit ovulation during pregnancy are:

A person who has two different genes for a particular trait is said to be ____________________ for that trait.

For the ABO blood types in people,the ____________________ allele is recessive and the ____________________ alleles are co-dominant.

For people,curly hair is dominant and straight hair is recessive. Genetics problem: Mom is heterozygous for curly hair and Dad has straight hair.The percent chance that a child of theirs will have curly hair is ____________________.

A person who is heterozygous for a particular trait has two ____________________ genes for it.

During gestation,at the end of the period of embryonic growth:

Genetics problem: Mom is heterozygous for type A blood and Dad is homozygous for type B blood.The chance that their child will have type AB blood is: