Unit 1 Quiz 1

Who first observed that muscles would respond to electrical stimulation?

a.

Gustav Fritsch.

b.

Paul Broca.

c.

Eduard Hitzig.

d.

Luigi Galvani.

5 points

Question 6

A direct function of genes is:

a.

influencing behavior.

b.

building the brain and nervous system.

c.

directing the building of proteins.

d.

replication.

5 points

Question 7

If a person has different genes for hand clasping preference, they are ___ for that trait.

a.

homozygous.

b.

phenotypic.

c.

heterozygous.

d.

polygenic.

5 points

Question 8

The specific pattern of genes inherited at conception defines an individual's:

a.

phenotype.

b.

genotype.

c.

genomic imprint.

d.

somatotype.

5 points

Question 9

Most behavioral characteristics and psychological disorders are:

a.

polygenic.

b.

recessive.

c.

dominant.

d.

X-linked.

5 points

Question 10

The proposition that heritable characteristics that provide a survival or reproductive advantage are more likely to be passed on to subsequent generations is known as:

a.

natural selection.

b.

genetic advantage.

c.

genetic cost.

d.

selective advantage.

5 points

Question 11

One of the success stories of gene therapy has been the treatment of a case of:

a.

"Bubble boy" disease.

b.

Severe combined immunodeficiency.

c.

SCID.

d.

All of the above.

5 points

Question 12

Theories:

a.

allow scientists to integrate and interpret diverse observations.

b.

generate hypotheses that guide further research.

c.

need to be revised when new data are available.

d.

All of the above.

5 points

Question 13

Which chemical can be used to trace the origin point of an axon?

a.

Nissl stain.

b.

fluorogold.

c.

Golgi stain.

d.

2-DG

5 points

Question 14

What substance is often used during autoradiography?

a.

2-DG.

b.

Golgi substance.

c.

cryptochrome.

d.

messenger RNA.

5 points...