Multiple Choice assignment

Multiple Choice assignment

Multiple Choice assignment

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University of Phoenix Material

Week One Quiz

Multiple Choice

Choose the correct option for each question.

1. Chromosomes consist of large, double-stranded molecules of:
   1. deoxyribonucleic acid.
   2. ribonucleic acid.
   3. autosomal genes.
   4. recombination genes.
2. Which of the following is NOT one of the many ways that genes can affect behavior?
   1. Genes may affect neurotransmitter levels or receptors.
   2. Genes can act indirectly by making it more likely you will be raised in a particular environment.
   3. Genes themselves cause behavior without any influence of the environment.
   4. Genes produce proteins that may make it more likely for a person to become addicted.
3. Nerves from the central nervous system convey information to the muscles and glands by way of the:
   1. autonomic nervous system.
   2. somatic nervous system.
   3. sympathetic nervous system.
   4. parasympathetic nervous system.
4. When researchers try to estimate the heritability of a human behavior, what are the main kinds of individuals they consider?
   1. Twins and adopted children
   2. People from non-western cultures
   3. Newborns and infants
   4. Uneducated people living in educated societies
5. The sweat glands, adrenal glands, and muscles that constrict blood vessels have input from only the ____ nervous system.
   1. sympathetic
   2. parasympathetic
   3. central
   4. dorsal root
6. The temporal lobe of the cerebral cortex is the primary target for which kind of sensory information?
   1. somatosensory, including touch
   2. the simplest aspects of vision
   3. gustatory
   4. auditory
7. Suppose a virus damaged only the dorsal roots of the spinal cord, but not the ventral roots. What would happen to the sensory and motor abilities of the affected area?
   1. Loss of sensation, but preserved motor control
   2. Loss of both sensation and motor control
   3. Loss of motor control, but preserved sensation
   4. Unaffected sensation and motor control
8. Units of heredity that maintain their structural identity from one generation to another are:
   1. enzymes.
   2. mutations.
   3. nucleic acids.
   4. genes.
9. Color vision deficiency is more common in males than in females because it is controlled by a:
   1. sex-limited gene.
   2. Y-linked gene.
   3. dominant X-linked gene.
   4. recessive X-linked gene.
10. The central nervous system is composed of:
    1. the brain and spinal cord.
    2. all the nerves outside the brain and spinal cord.
    3. the sympathetic and parasympathetic nervous systems.
    4. the somatic and autonomic nervous systems.
11. Almost all humans have 23 pairs of which of the following?
    1. RNA
    2. Chromosomes
    3. Genes
    4. Corduroys
12. In one family, all three children are homozygous for a recessive gene. What can be concluded about the parents?
    1. Each parent is also homozygous for the recessive gene.
    2. Each parent is heterozygous.
    3. One parent is homozygous for the dominant gene; the other is homozygous for the recessive gene.
    4. Each parent is either homozygous for the recessive gene or heterozygous.
13. If the spinal cord is cut at a given segment, the brain loses sensation at:
    1. that segment only.
    2. that segment and all segments above it.
    3. that segment and all segments below it.
    4. all other segments.
14. Changes in single genes are called:
    1. alterations.
    2. mutations.