Exam 21: Human Development and Genetics

The sex chromosomes in men are called:

The function of the hormone hCG is to:

The genes for sex-linked traits are found on the ____________________ chromosome.

In the early embryo,the endoderm gives rise to the:

The stage of labor during which the amniotic sac ruptures is the:

The embryonic membrane that contains fluid to cushion the embryo is the ____________________.

Genetics problem: Mom is a carrier of red-green color blindness and Dad is red-green color-blind.What is the chance that their daughter will be color-blind?

In the embryo,the liver and lungs are derived from the ____________________.

A person's genotype for a particular trait refers to the:

Genetics problem: Mom is type O and Dad is heterozygous for type A.The percent chance that a child of theirs will have type O blood is ____________________.

For people,having dimples is dominant and having no dimples is recessive. Genetics problem: Dad has no dimples and Mom is homozygous for dimples.The percent chance that a child of theirs will NOT have dimples is ____________________.

During the first stage of labor,the ____________________ dilates,and the ____________________ ruptures.

During gestation,the last 32 weeks are considered the ____________________ growth period.

A human cell contains ____________________ pair(s)of autosomes and ____________________ pair(s)of sex chromosomes.

The part of a blastocyst that secretes enzymes to permit implantation is the ____________________.

A person's genetic makeup for a particular trait is called the:

The hormone hCG is produced by the ____________________ of the embryo,and its effects are on the ____________________ in the ovary.

In the early embryo,the liver and pancreas are derived from the:

The placental hormone that maintains the corpus luteum during early pregnancy is:

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