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A prenatal medical procedure in which a sample of amniotic fluid is withdrawn by syringe and tested for chromosomal or metabolic disorders.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

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Question 3

Janelle is considering hiring a doula to help with childbirth.What is a doula and how are they different from midwives?

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Question 4

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 which were compatible and stimulating to them.Which heredity-environment correlation is reflected in this scenario?

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Question 5

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

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Question 6

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 7

Cell division in the eggs and sperms.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 8

A chromosomal abnormality that is characterized by an extra copy of chromosome 21.A person with this disorder typically has a round face,a flattened skull,an extra fold of skin over the eyelids,a protruding tongue,short limbs,and retardation of motor and mental abilities.

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Question 9

What are the three ways that heredity and environment are correlated,as described by behavior geneticist Sandra Scarr?

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Question 10

Short segments of DNA which are located on the chromosomes.These are considered to be the basic units of hereditary information.

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Question 11

Define and give an example of a teratogen.

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Question 12

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 13

Xiomarra is tall with dark,curly hair and brown eyes.She is outgoing and friendly.Name these observable characteristics of her genetic makeup.

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Question 14

Bronwyn is interested in using non-medical techniques to assist her with dealing with pain during childbirth.Based on the text and class discussion,what are the two best options available to her,and why?

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Question 15

Describe the characteristics of the CenteringPregnancy program,designed to improve prenatal care for pregnant women.

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Question 16

List five gene-linked abnormalities.

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Question 17

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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Quiz 2: Biological Beginnings