Psychology - Life Span - Chapter 3 - Book Work (Pt 1)

14 Questions | By Nursing_student | Updated: Mar 21, 2022 | Attempts: 167

Questions

Settings

Create your own Quiz

Psychology 237 Life Span

Questions and Answers

1.

When a sperm and an ovum merge, a one-celled _________ is formed.
- A.
  
  Zygote
- B.
  
  Reproductive cell
- C.
  
  Gamete
- D.
  
  Monozygote
2.

Genes are separate units that provide the chemical instrctions that each cell needs to become:
- A.
  
  A zygote
- B.
  
  A chromosome
- C.
  
  A specific part of a functioning human body
- D.
  
  Deoxyribonucleic acid
3.

Because the 23rd pair of chromosomes in females is XX, each ovum carries an:
- A.
  
  XX zygote
- B.
  
  XY zygote
- C.
  
  X zygote
- D.
  
  X chromosome
4.

When a zygote splits, the two identical, independent clusters that develop become:
- A.
  
  Dizygotic twins
- B.
  
  Monozygotic twins
- C.
  
  Fraternal twins
- D.
  
  Trizygotic twins
5.

During adulthood, genetic influences on development
- A.
  
  Generally increase
- B.
  
  Generally decrease
- C.
  
  Remain steady
- D.
  
  Vary from individual to individual
6.

Most of the known genetic disorders are:
- A.
  
  Dominant
- B.
  
  Recessive
- C.
  
  Seriously disabling
- D.
  
  Sex-linked
7.

When we say that a characteristic is multifactorial, we mean that:
- A.
  
  Many genes are involved
- B.
  
  Many environmental factors are involved
- C.
  
  Many genetic and environmental factors are involved
- D.
  
  The characteristic is polygenic
8.

Genes are segments of molecules of:
- A.
  
  Genotype
- B.
  
  Deoxyribonucleic acid (DNA)
- C.
  
  Karyotype
- D.
  
  Phenotype
9.

In the US, newborns are tested for the recessive genetic disorder:
- A.
  
  Down syndrome
- B.
  
  Fragile X syndrome
- C.
  
  Alzheimer's disease
- D.
  
  Phenylketonuria
10.

A chromosomal abnormality that affects males only involves a:
- A.
  
  XO chromosomal pattern
- B.
  
  XXX chromosomal pattern
- C.
  
  YY chromosomal pattern
- D.
  
  XXY chromosomal pattern
11.

Some developmentalists believe that the epidemic increase in myopia among children in Hong Kong, Singapore, and Japan is partly the result of"
- A.
  
  The recent epidemic of rubella
- B.
  
  Vitamin A deficiency
- C.
  
  The increasing amount of time spent by children in close study of books and papers
- D.
  
  Mutations in the Pax6 gene
12.

Babies born with trisomy-21 (Down syndrome) are often:
- A.
  
  Born to older parents
- B.
  
  Unusually aggressive
- C.
  
  Abnormally tall by adolescence
- D.
  
  Blind
13.

To say that a trait is polygenic means that:
- A.
  
  Many genes make it more likely that the individual will inherit the trait
- B.
  
  Several genes must be present in order for the individual to inherit the trait
- C.
  
  The trait is multifactorial
- D.
  
  Most people carry genes for the trait
14.

Some genetic diseases are recessive, so the child cannot inherit the condition unless both parents:
- A.
  
  Have Klinefelter syndrome
- B.
  
  Carry the same recessive gene
- C.
  
  Have XO chromosomes
- D.
  
  Have the disease