Question 1

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

Accepted Answer

The answer of In the embryo,the liver and lungs are...

Question 2

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

Accepted Answer

The answer of During gestation,the last 32 weeks are considered...

Question 3

A human cell contains ________ (number)chromosomes,and 22 pairs of these are called _________________________.

Accepted Answer

The answer of A human cell contains ________ (number)chromosomes,and 22...

Question 4

The human ___________________ has _____________ chromosomes,and is formed by the union of egg and sperm.

Accepted Answer

The answer of The human ___________________ has _____________ chromosomes,and is...

Question 5

For the ABO blood types in people,the O allele is ___________________ and the A and B alleles are ___________________________.

Accepted Answer

recessive,

Question 6

Blood is carried from the fetus to the placenta by the _______________________,and this blood has high levels of the gas ___________________________.

Accepted Answer

umbilical

Question 7

The sex chromosomes in _______________ are called XX,and in ______________ are called XY.

Accepted Answer

The answer of The sex chromosomes in _______________ are called...

Question 8

During gestation,the first 8 weeks are considered the ________________________ growth period.

Accepted Answer

The answer of During gestation,the first 8 weeks are considered...

Question 9

If a trait may appear in a person's phenotype only when two genes are present for it,the trait is called __________________________.

Accepted Answer

The answer of If a trait may appear in a...

Question 10

The trophoblast of the blastocyst secretes enzymes to permit _______________________ in the uterus.

Accepted Answer

The answer of The trophoblast of the blastocyst secretes enzymes...

Question 11

Sex-linked traits are considered _____________________ because a woman must have ______________ gene(s)for them to express such traits.

Accepted Answer

The answer of Sex-linked traits are considered _____________________ because a...

Question 12

The zygote begins a series of cell divisions called ___________________,and the process of cell division is called _______________________.

Accepted Answer

The answer of The zygote begins a series of cell...

Question 13

After birth,the foramen ovale in the baby's __________________ is ________________,which helps increase ________________________ circulation.

Accepted Answer

heart,clos

Question 14

Blood is carried from the placenta to the fetus by the ________________________,and this blood has high levels of the gas ________________________.

Accepted Answer

umbilical

Question 15

A person's phenotype for a particular trait refers to the _________________________________.

Accepted Answer

appearance

Question 16

The average human gestation period is ____________ weeks.

Accepted Answer

The answer of The average human gestation period is ____________...

Question 17

Normal implantation of a blastocyst takes place in the _________________________ of the uterus.

Accepted Answer

The answer of Normal implantation of a blastocyst takes place...

Question 18

After birth,the baby's ductus venosus _______________________,because the umbilical cord has been cut and blood no longer enters the baby from the _________________________.

Accepted Answer

constricts

Question 19

If a trait may appear in a person's phenotype when only one gene is present for it,the trait is called __________________________________.

Accepted Answer

The answer of If a trait may appear in a...

Question 20

During pregnancy,the placental hormones that inhibit ovulation are _____________________ and ___________________________.

Accepted Answer

estrogen,p

Exam 22:Human Development and Genetics-Part B

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

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

A human cell contains ________ (number)chromosomes,and 22 pairs of these are called _________________________.

The human ___________________ has _____________ chromosomes,and is formed by the union of egg and sperm.

For the ABO blood types in people,the O allele is ___________________ and the A and B alleles are ___________________________.

Blood is carried from the fetus to the placenta by the _______________________,and this blood has high levels of the gas ___________________________.

The sex chromosomes in _______________ are called XX,and in ______________ are called XY.

During gestation,the first 8 weeks are considered the ________________________ growth period.

If a trait may appear in a person's phenotype only when two genes are present for it,the trait is called __________________________.

The trophoblast of the blastocyst secretes enzymes to permit _______________________ in the uterus.

Sex-linked traits are considered _____________________ because a woman must have ______________ gene(s)for them to express such traits.

The zygote begins a series of cell divisions called ___________________,and the process of cell division is called _______________________.

After birth,the foramen ovale in the baby's __________________ is ________________,which helps increase ________________________ circulation.

Blood is carried from the placenta to the fetus by the ________________________,and this blood has high levels of the gas ________________________.

A person's phenotype for a particular trait refers to the _________________________________.

The average human gestation period is ____________ weeks.

Normal implantation of a blastocyst takes place in the _________________________ of the uterus.

After birth,the baby's ductus venosus _______________________,because the umbilical cord has been cut and blood no longer enters the baby from the _________________________.

If a trait may appear in a person's phenotype when only one gene is present for it,the trait is called __________________________________.

During pregnancy,the placental hormones that inhibit ovulation are _____________________ and ___________________________.

Organization and General Plan of the Body-Part A

Organization and General Plan of the Body-Part B

Organization and General Plan of the Body-Part C

Some Basic Chemistry-Part A

Some Basic Chemistry-Part B

Some Basic Chemistry-Part C

Cells-Part A

Cells-Part B

Cells-Part C

Tissues and Membranes-Part A

Tissues and Membranes-Part B

Tissues and Membranes-Part C

The Integumentary System-Part A

The Integumentary System-Part B

The Integumentary System-Part C

The Skeletal System-Part A

The Skeletal System-Part B

The Skeletal System-Part C

The Muscular System-Part A

The Muscular System-Part B

The Muscular System-Part C

The Nervous System-Part A

The Nervous System-Part B

The Nervous System-Part C

The Senses-Part A

The Senses-Part B

The Senses-Part C

The Endocrine System-Part A

The Endocrine System-Part B

The Endocrine System-Part C

Blood-Part A

Blood-Part B

Blood-Part C

The Heart-Part A

The Heart-Part B

The Heart-Part C

The Vascular System-Part A

The Vascular System-Part B

The Vascular System-Part C

The Lymphatic System and Immunity-Part A

The Lymphatic System and Immunity-Part B

The Lymphatic System and Immunity-Part C

The Respiratory System-Part A

The Respiratory System-Part B

The Respiratory System-Part C

The Digestive System-Part A

The Digestive System-Part B

The Digestive System-Part C

Body Temperature and Metabolism-Part A

Body Temperature and Metabolism-Part B

Body Temperature and Metabolism-Part C

The Urinary System-Part A

The Urinary System-Part B

The Urinary System-Part C

Fluid–Electrolyte and Acid–Base Balance-Part A

Fluid–Electrolyte and Acid–Base Balance-Part B

Fluid–Electrolyte and Acid–Base Balance-Part C

The Reproductive Systems-Part A

The Reproductive Systems-Part B

A human cell contains (number)chromosomes,and 22 pairs of these are called _________________.

The human _______ has _ chromosomes,and is formed by the union of egg and sperm.

For the ABO blood types in people,the O allele is _ and the A and B alleles are _________.

Blood is carried from the fetus to the placenta by the _,and this blood has high levels of the gas _____.

The sex chromosomes in _ are called XX,and in are called XY.

Sex-linked traits are considered _______ because a woman must have gene(s)for them to express such traits.

The zygote begins a series of cell divisions called _,and the process of cell division is called _____.

After birth,the foramen ovale in the baby's is ,which helps increase ______ circulation.

Blood is carried from the placenta to the fetus by the ,and this blood has high levels of the gas .

After birth,the baby's ductus venosus _,because the umbilical cord has been cut and blood no longer enters the baby from the ___.

During pregnancy,the placental hormones that inhibit ovulation are _ and _______.