Psychology - Life Span - Chapter 3 - Book Work (Pt 2)

15 Questions | By Nursing_student | Updated: Mar 15, 2022 | Attempts: 78

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Psychology 237 Life Span

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1.

Which of the following provides the best broad description of the relationship between heredity and environment?
- A.
  
  Heredity is the primary influence, with environment affecting development only in severe situations
- B.
  
  Heredity and environment contribute equally to development
- C.
  
  Environment is the major influence on physical characteristics
- D.
  
  Heredity directs the individual's potential, and environment determines whether and to what degree the individual reaches that potential
2.

The recent increase in type 2 diabetes among children in the US is the result of:
- A.
  
  Unknown factors
- B.
  
  Genes acting alone
- C.
  
  Vitamin deficiencies among certain ethnic groups
- D.
  
  Genetic vulnerability coupled with increasing obesity
3.

Males with fragile X syndrome are:
- A.
  
  Feminine in appearance
- B.
  
  Less severely affected than females
- C.
  
  Frequently retarded intellectually
- D.
  
  Likely to have fatty deposits around the breasts
4.

With the exception of sperm and egg cells, each human cell contains:
- A.
  
  23 genes
- B.
  
  23 chromosomes
- C.
  
  46 genes
- D.
  
  46 chromosomes
5.

The only disorder in which a genetic female inherits only one X chromosome (XO pattern) is called:
- A.
  
  Trisomy-21
- B.
  
  Down syndrome
- C.
  
  Turner syndrome
- D.
  
  Klinefelter syndrome
6.

Dizygotic twins result when:
- A.
  
  A single egg is fertilized by a sperm and then splits
- B.
  
  A single egg is fertilized by two different sperm
- C.
  
  Two eggs are fertilized by two different sperm
- D.
  
  Either a single egg is fertilized by one sperm or two eggs are fertilized by two different sperm
7.

Molecules of DNA that in humans are organized into 23 complementary pairs are called:
- A.
  
  Zygotes
- B.
  
  Genes
- C.
  
  Chromosomes
- D.
  
  Ova
8.

Shortly after the zygote is formed, it begins the processes of duplication and division. Each resulting new cell has:
- A.
  
  The same number of chromosomes as was contained in the zygote
- B.
  
  Half the number of chromosomes as was contained in the zygote
- C.
  
  Twice, then four times, then eight times the number of chromosomes as was contained in the zygote
- D.
  
  All the chromosomes except those that determine sex
9.

If an ovum is fertilized by a sperm bearing a Y chromosome:
- A.
  
  A female will develop
- B.
  
  Cell division will result
- C.
  
  A male will develop
- D.
  
  Spontaneous abortion will occur
10.

When the male cells in the testes and the female cells in the ovaries divide to produce gametes, the process differs from that in the production of all other cells. As a result of the different process, the gametes have:
- A.
  
  One rather than both members of each chromosome pair
- B.
  
  23 chromosome pairs
- C.
  
  X but not Y chromosomes
- D.
  
  Chromosomes from both parents
11.

Most human traits are:
- A.
  
  Polygenic
- B.
  
  Multifactorial
- C.
  
  Determined by dominant-recessive patterns
- D.
  
  Both a and b
12.

Genotype is to phenotype as ________ is to ________.
- A.
  
  Genetic potential; physical expression
- B.
  
  Physical expression; genetic potential
- C.
  
  Sperm; ovum
- D.
  
  Gamete; zygote
13.

The genes that influence height and skin color interact according to the _________ pattern.
- A.
  
  Dominant-recessive
- B.
  
  X-linked
- C.
  
  Additive
- D.
  
  Nonadditive
14.

X-linked recessive genes explain why some traits seem to be passed from:
- A.
  
  Father to son
- B.
  
  Father to daughter
- C.
  
  Mother to daughter
- D.
  
  Mother to son
15.

In vitro fertilization is a technique:
- A.
  
  In which sperm are mixed with ova that have been surgically removed from a woman's ovary
- B.
  
  In which sperm from a donor are inserted into the woman's uterus via syringe
- C.
  
  Form helping infertile couples conceive a pregnancy
- D.
  
  For helping infertile couples sustain a pregnancy