Class notes
Chapter 4 quiz notes
- Course
- PSY 100 (PSY100007)
- Institution
- Northern Kentucky University
Chapter 4 psy-100-007 quiz notes
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CHAPTER 4 NOTESQuestion 1:
What is the name of the subfield of genetics that identifies particular genes and their function?
A: Molecular Genetics
Question 2:
When genes are expressed, they direct the development of __________.
A: Proteins
Question 3:
Research on epigenetics indicates that environmental factors, such as poverty and malnutrition
experienced by your ______ may affect your development.
A: All of the above (mother, father, grandmother)
Question 4:
Which of the following statements are TRUE?
A: The nucleus of each human cell typically contains 23 pairs of chromosomes.
Question 5:
Epigenetics is _________.
A: The study of environmental influences on gene expression that occur without a DNA change.
Question 6:
In the sunflower example, which group of flowers had greater variability (among the individuals
within that group) regarding the environmental factors that could influence flower growth?
A: Yard group
Question 7:
Heritability estimates can range from _______.
A: 0 to 100%
Question 8:
Imagine that two research teams are studying the heritability of reading ability. One team is
working in Minneapolis. The other team is working in Pittsburgh.
Minneapolis: Some of the families have two parents; some have one. Some families have high
SES; some families have low SES. Some schools are high quality; some schools are low
quality. Some neighborhoods have libraries; some neighborhoods don’t.
Pittsburgh: Almost all the homes are single parent. Almost all the families have low SES. Almost
all the schools are low quality. Almost no neighborhoods have libraries.
Which team will come up with the higher estimate of heritability?
A: Pittsburgh
Question 9:
Which of the following statements is TRUE?
A: If the heritability of IQ is 75%, this means that individual differences in IQ are more strongly
influenced by genetics than environmental factors.
Question 10:
What is the heritability of sexual orientation?
A: 20-50%
Question 11:
Which of the following psychological attributes is/are associated with shared family
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