Multiple Choice
How do autosomes and sex chromosomes differ?
A) Autosomes are chromosomes in all the cells of the body except gametes.Sex chromosomes are the chromosomes in the gametes.
B) Autosomes encode for all genes.Sex chromosomes encode only for genes that produce sperm and oocytes.
C) Autosomes contain genes that encode for all components of the reproductive system,such as reproductive organs,glands,and hormones.Sex chromosomes contain genes that encode for all human traits except reproduction.
D) Autosomes are chromosome pairs 1-22 that affect somatic characteristics.Sex chromosomes are the 23rd pair that determine whether an individual is male (XY) or female (XX) .
E) Autosomes are chromosomes are the 23rd pair that determine whether an individual is male (XY) or female (XX) .Sex chromosomes are chromosome pairs 1-22 that affect somatic characteristics.
Correct Answer:

Verified
Correct Answer:
Verified
Q42: Under the influence of the trophoblast,maternal blood
Q62: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4857/.jpg" alt=" Figure 29-1
Q73: If a color-blind (X-linked recessive trait)man marries
Q74: The period of gestation that is characterized
Q75: Name the four extra-embryonic membranes.<br>A)yolk sac,amnion,blastocoele,and the
Q76: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4853/.jpg" alt=" Figure 27-2 -Identify
Q77: Endoderm + mesoderm = which extra-embryonic membrane(s)?<br>A)chorion<br>B)amnion<br>C)allantois<br>D)yolk
Q81: Describe the chorionic villi.<br>A)The chorionic villi contain
Q82: During gastrulation,<br>A)the blastomeres fuse.<br>B)the placenta penetrates the
Q143: The mesoderm forms<br>A) muscle.<br>B) epidermis.<br>C) the brain.<br>D)