Question 1

A prenatal medical procedure in which a sample of amniotic fluid is withdrawn by syringe and tested for chromosomal or metabolic disorders.

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Question 2

Describe one of the criticisms of evolutionary perspective in psychology.

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Question 3

This process, which takes place at approximately 6 to 24 weeks after conception, involves cells moving from their point of origin to their appropriate locations and creating the different levels, structures, and regions of the brain.

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Question 4

Describe how the three prenatal periods are different from trimesters.

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Question 5

What is the difference between a gamete and a zygote?

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Question 6

Imagine that you are a nurse practitioner explaining to a patient what a triple screen is for, and her screening was abnormal. Explain to her what the next steps are.

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Question 7

Describe the relationship between chromosomes, DNA, and genes.

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Question 8

List and describe the three layers of cells that form the embryo.

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Question 9

Define gene * environment (G * E) interaction. Give an example of a study (either your own or one from the book) that could illustrate the interaction between genes and the environment.

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Question 10

Explain why males are more susceptible to X-linked inheritance.

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Question 11

Cell division in the eggs and sperm. A cell duplicates its chromosomes and divides twice. This leads to the formation of four cells that contain only half of the genetic material of the parent cell.

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Question 12

Give examples of how the causes of infertility can originate with either the man or the woman.

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Question 13

The period of prenatal development that occurs two to eight weeks after conception. During this time, the rate of cell differentiation intensifies, support systems for the cells form, and organs appear.

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Question 14

Any agent that can potentially cause a birth defect or negatively alter cognitive and behaviors outcomes.

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Question 15

Define and give an example of a teratogen.

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Question 16

Describe a major difference between hemophilia and sickle-cell anemia.

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Question 17

What are the three ways that heredity and environment are correlated, as described by behavior geneticist Sandra Scarr, and what is the role of the child in each?

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Question 18

Assume that in the case study of the Jim and Jim twins it is found that their similar development trajectories were a result of similar temperament and interests, which caused them to seek out similar environments that were compatible and stimulating to them. Which heredity-environment correlation is reflected in this scenario?

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Question 19

Xiomarra is tall with dark, curly hair and brown eyes. She is outgoing and friendly. These observable characteristics are given this general label.

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Question 20

Using the example of a child who inherited the genes to be very tall, explain how a genotype may be expressed in a variety of phenotypes.

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Quiz 2: Biological Beginnings