Question 1

The common junction of the digestive, urinary, and genital systems is the

Accepted Answer

A)   cloaca.
B)   coelom.
C)   allantois.
D)   hindgut.
E)   anus.

Question 2

What genetic disorder is the inability to produce normal hemoglobin?

Accepted Answer

A)   albinism
B)   sickle-cell disease
C)   hemophilia
D)   Down syndrome
E)   achondroplasia

Question 3

Which germ layer are the bones (except facial)  derived from?

Accepted Answer

A)   ectoderm
B)   mesoderm
C)   endoderm

Question 4

The embryonic disk is initially composed of

Accepted Answer

A)   ectoderm and hypoblast.
B)   epiblast and mesoderm.
C)   epiblast and hypoblast.
D)   hypoblast and yolk sac.
E)   epiblast and yolk sac.

Question 5

Which of the following statements concerning development of the integumentary system is true?

Accepted Answer

A)   The epidermis is derived from mesoderm.
B)   The melanocytes are derived from ectoderm.
C)   Nails, hair, and glands develop from the dermis.
D)   Sensory receptors in the skin are derived from the epidermis.
E)   Collagen fibers do not appear until after birth.

Question 6

In humans, somatic cells have ____ chromosomes, while reproductive cells (gametes)  have ____.

Accepted Answer

A)   23; 46
B)   92; 46
C)   46; 23
D)   46; 69
E)   92; 23

Question 7

Which germ layer is the epidermis derived from?

Accepted Answer

A)   ectoderm
B)   mesoderm
C)   endoderm

Exam 29: Development, Growth, Aging, and Genetics

What genetic disorder is the inability to produce normal hemoglobin?

Correct Answer
verified

Which of the following statements concerning development of the integumentary system is true?

Correct Answer
verified

Which germ layer is the epidermis derived from?

Correct Answer
verified

Which germ layer are the bones (except facial) derived from?

Correct Answer
verified

The embryonic disk is initially composed of

Correct Answer
verified

The common junction of the digestive, urinary, and genital systems is the

Correct Answer
verified

In humans, somatic cells have chromosomes, while reproductive cells (gametes) have .

Correct Answer
verified

Exam 29: Development, Growth, Aging, and Genetics

What genetic disorder is the inability to produce normal hemoglobin?

Correct AnswerverifiedShow Answer

Which of the following statements concerning development of the integumentary system is true?

Correct AnswerverifiedShow Answer

Which germ layer is the epidermis derived from?

Correct AnswerverifiedShow Answer

Which germ layer are the bones (except facial) derived from?

Correct AnswerverifiedShow Answer

The embryonic disk is initially composed of

Correct AnswerverifiedShow Answer

The common junction of the digestive, urinary, and genital systems is the

Correct AnswerverifiedShow Answer

In humans, somatic cells have ____ chromosomes, while reproductive cells (gametes) have ____.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In humans, somatic cells have chromosomes, while reproductive cells (gametes) have .

Correct Answer
verified