Dr. Proctor tells Uma that her developing embryo is showing distortions in the development of its circulatory system. As a knowledgeable student of human development, Uma should realize that the problem is within cells of the ____ layer.
a. placenta
b. mesoderm
c. ectoderm
d. endoderm
Question 2
Which statement is true?
a. Estrogen is found only in females, and androgen sare found only in males.
b. Estrogen is found only in males, and androgens are found only in females.
c. During puberty, estrogen and androgens are released at the same levels in adolescent males and females.
d. During puberty, estrogen and androgens are released at different levels in adolescent males and females.
Model organisms used to study the genetics of development
Charge development is unfavorable and can be circumvented by donation of a proton
Developing bat
Cutaway of an engine showing the cylinder, piston, connecting rod, and crankshaft.
Development of Morality in Young Children
Sagittal section of brain showing hypothalamic nuclei