Ch. 3 Test Guide

The Ch. 3 test will consist of objective (multiple choice) questions as well as short answer questions (like your quiz).
Re-read chapter 3 in your text, study all notes, and review the objectives below. 
Other important resources include the heredity basics worksheet, Nature/nurture video sheet, and Influences of nature/nurture (obesity, intelligence, personality, schizophrenia)

Pgs. 57-68

1.       Identify past theories and beliefs about conception.

2.    What happens during ovulation and fertilization? Define zygote.

3.       What is infertility? Identify causes for males and females.

4.       Cite the difference between monozygotic twins and dizygotic twins. (read green box on pg 62)

5.     Define DNA, chromosomes, genes, genetic code

6.       Define autosomes and sex chromosomes.

7.       How is the sex of the child determined? When does the embryo develop male or female   

 characteristics?

8.    Define alleles and identify the difference between homozygous and heterozygous transmission.

9.       Contrast dominant and recessive inheritance.

10.       What is meant by polygenic inheritance?

11.    Identify the difference between genotype and phenotype.

12.       How is multifactorial transmission linked to both genotype and environment?

13.    Review information on the ch. 3 Heredity Basics worksheet, including reaction range and canalization 

14. Why has the incidence of multiple births increased over the past several decades?

Pgs 68-82

1.      Contrast aspects of dominant and recessive inheritance of defects.

2.      Identify factors associated with sex-linked inheritance.

3.      How do chromosomal abnormalities occur?

4.      Identify the causes and characteristics of Down syndrome and discuss the outlook for a child born with this disorder.

5.      What is genetic counseling? Be sure to read the genetic testing box on pg 75.

Discuss the benefits and risks of genetic testing.

6.      Tell how researchers determine the heritability of a trait.

7.      Identify 3 common types of studies of the influence of hereditary and environmental factors in development.

8.      Explain the concepts of reaction range and canalization, and give at least one example of each.

9.      Give an example of genotype-environment interaction.

10.  Identify and explain 3 types of genotype-environment correlation.

11.  Explain why siblings tend to be more different than alike in intellect and personality, and why each experiences a unique environment within the family.

12. Study nature, nurture worksheet on obesity, intelligence, personality, schizophrenia

Study your Nature/Nurture video objectives