Question 1

1 / 1 pts

Karen has an extra copy of her 21st chromosome. Karen has ____ syndrome.

Klinefelter

Fragile X

Turner

Down

IncorrectQuestion 2

1 / 1 pts

Tesia just gave birth to twins and her doctor told her, “Congratulations, you have fraternal twins.” How could the doctor know this right at birth?

The twins were the same gender.

The twins were opposite genders.

Fraternal twins are always smaller than identical twins.

Fraternal twins are always larger than identical twins.

The answer can be found in Section 2.2, “Foundations of Genetics,” in Essentials of Lifespan Development: A Topical Approach.

Question 3

1 / 1 pts

____ syndrome is the most common type of sex-linked chromosomal abnormality in males and causes low testosterone production.

Klinefelter

Fragile X

Turner

Down

Question 4

1 / 1 pts

Paul Baltes believed the benefits of evolutionary psychology decreased with age. Why?

Childhood is the most important developmental period.

Older adults do not receive any benefit from natural selection.

Natural selection is related to reproductive fitness.

Many older adults do not understand the benefits of natural selection.

Question 5

1 / 1 pts

Marcus and Matthew are identical twins, but they are in different classes at school. This is an example of a(n) ____ environment.

shared

non-shared

passive

active

Question 6

1 / 1 pts

Sabrina really enjoys writing, so she makes sure to take as many literature and creative writing courses as she can in high school. This is an example of a ____ genotype → environment effect.

passive

evocative

active

retroactive

Question 7

1 / 1 pts

Dr. Singg is a breast cancer researcher who examines mutations on genes and their influence on the development of breast cancer. Dr. Singg studies ____ genes.

longevity

susceptibility

harmful

high-risk

Question 8

1 / 1 pts

Why are males more likely to be affected by mutated recessive genes on the X chromosome? They have

no X chromosomes.

two X chromosomes.

two Y chromosomes.

one X chromosome.

Question 9

1 / 1 pts

Calvin’s dad played soccer in college and began showing him soccer skills as soon as he could walk. This is an example of a ____ genotype → environment effect.

passive

evocative

active

retroactive

Question 10

1 / 1 pts

To study behavioral genetics, researchers often use

infants.

adolescents.

cousins.

twins.

Question 11

1 / 1 pts

Brown hair is dominant and red hair is recessive. A child with red hair is born to parents who have brown hair. For this to occur, who would have passed on a recessive red-hair gene?

only the mother

only the father

both parents

neither parent            

Question 12

1 / 1 pts

Dr. Jones studies how sex cells duplicate. This process is called

meiosis.

mitosis.

replication.

reproduction.

Question 13

1 / 1 pts

The field of evolutionary psychology focuses on how the ability to adapt and ____ influences behavior.

reproduce

think

grow

strategize

Question 14

1 / 1 pts

Human beings have ____ chromosomes.

23

26

43

46

Question 15

1 / 1 pts

A person’s specific eye and hair color is an example of their

genes.

chromosomes.

genotype.

phenotype.

Question 16

1 / 1 pts

A new predator is hunting the local population of birds. Some of this species of bird have lighter-colored feathers, which make it harder for the new predator to spot them. According to natural selection, what is likely to occur in the next few years?

The predator will stop hunting this species of bird.

The predator will hunt more of this species of bird.

More birds with dark feathers will be born.

More birds with light feathers will be born.

Question 17

1 / 1 pts

According to Scarr and McCartney’s theory, our ____ influence how we experience our environment.

experiences

relationships

siblings

genes

Question 18

1 / 1 pts

One of the strongest criticisms of evolutionary psychology is

the field is too young.

it can’t be scientifically tested.

the field is too biased.

it doesn’t take into account developmental psychology.

Question 19

1 / 1 pts

What is formed within 36 hours of the sperm and ovum uniting?

chromosome

gene

zygote

fetus

Question 20

1 / 1 pts

When a series of genes is responsible for abnormalities, it is called

polygenic inheritance.

sex-linked inheritance.

chromosomal abnormalities.

gene abnormalities.

Question 21

1 / 1 pts

In recent years the trend in the United States has been toward more _____ childbirth.

hospitalized

medical intervention

natural

active

Question 22

1 / 1 pts

Alyssa’s son was born weighing 5.2 pounds. He is considered

low birth weight.

very low birth weight.

preterm.

small-for-date.

Question 23

1 / 1 pts

Between 22 and 26 weeks the fetus reaches the age of ____, which means it can survive outside the womb.

survival

viability

development

capability

Question 24

1 / 1 pts

Megan is 35 and worries her baby could have a chromosomal abnormality. Her doctor suggests a test where fluid will be withdrawn from the amniotic sac. This is called

chorionic villus sampling.

maternal blood analysis.

ultrasound.

amniocentesis.

Question 25

1 / 1 pts

Tia has been in labor for six hours and her cervix is dilated eight centimeters. She is in stage

one.

two.

three.

four.

Question 26

1 / 1 pts

Which disorder caused by teratogens is the leading cause of birth defects?

Down syndrome

fetal alcohol spectrum disorders

fragile X syndrome

autism

Question 27

1 / 1 pts

Environmental agents that can impact fetal development are called ____.

teratogens

harm agents

illegal substances

thalidomide

Question 28

1 / 1 pts

Why does the fetus develop a layer of fat under the skin before being born? To help

regulate body temperature.

boost the immune system.

build antibodies.

aid in the birth process.

Question 29

1 / 1 pts

The last stage of birth is the delivery of the

baby.

amniotic fluid.

vernix.

placenta.

Question 30

1 / 1 pts

Josh’s son was born premature and the doctors suggested that he try ____ and hold his son skin to skin and chest to chest.

fetal monitoring

kangaroo care

Lamaze

infant massage

Question 31

0 / 0 pts

In your substantive essay, discuss the following:

If you were an expectant parent,

•         Choose between the options of home birth versus medical establishment.

•         Explain your reasoning for choosing the context of the birth.

•         Identify the potential pros and cons of each.

•         Identify the important factors to be considered to determine your preference (e.g., availability of a mid-wife, potential emergencies, medication options, cultural beliefs, family traditions, previous experiences, etc.)

Base your writing on your previous knowledge, personal experiences, and the required readings for this week.

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