7. According to Sandra Scarr, infants and young children spend most of their time in a(n) ________ genotype-environment.

[answerhappygod]

7. According to Sandra Scarr, infants and young children spendmost of their time in a(n) ________ genotype-environment.
a. active
b. passive
c. evocative
d. niche-picking
8. Regarding the conclusions about heredity and the environment,it can be said that:
a. the contributions are subjective.
b. the contributions are additive.
c. the contributions are interdependent.
d. the contributions are not additive.
9. Which of the following statements about sex-linked genes isNOT true?
a. Hemophilia is an example of an X-linked inheriteddisease.
b. Females with one changed copy of the X gene are carriers.
c. Females with one changed copy of the X gene may not showsigns of the X-linked disease.
d. Females are more likely than males to have an X-linkeddisease because they have two X chromosomes.
10. Fragile X syndrome is usually characterized by some sort ofmental deficiency. This deficiency could include having:
a. mental disabilities.
b. a short attention span.
c. a learning disability.
d. All of these.
11. Distinguish between Klinefelter and Downs syndromes statingcognitive and physical differences 2 points
12. Explain two prenatal diagnostic procedures. 1 points
13. Using a twin study, Professor Jones has just found thatidentical twins were more likely to both develop conduct disorderthan were fraternal twins. He has decided to announce to the worldthat, clearly, conduct disorder is determined by one’s genes. Hiscolleagues suggested, however, that he use caution wheninterpreting these findings because:
a. the environments of identical twins may be more similar thanthe environments of fraternal twins.
b. parents and other adults may stress the similarities betweenidentical twins more than those of fraternal twins.
c. identical twins may be more likely to play with each otherthan fraternal twins do.
d. All of these.
14. Some genes have differing effects depending on whether theyare inherited from the mother or father. This is called______.
a. polygenetic inheritance
b. genotype
c. genetic imprinting
d. reaction range
15. Em’s doctor tells her that her baby will have problems withits respiratory and digestive systems. The doctor explains that theproblems originated when the zygote divided into the three majorcell layers. Evidently, in Em’s case, there was a problem in theformation of the________.
a. endoderm
b. ectoderm
c. mesoderm
d. blastocyst