Chapter 2

Question 1

This is a recessive trait that influences the dominant trait

Answer 1

Incomplete Dominance

Question 2

This is when two dominant forms of the genes are present (

Answer 2

Codominance

Question 3

When several genes influence the trait (height and melanin and blood type)

Answer 3

Polygenic Inheritance

Question 4

What gene carries sex-linked abnormalities and name two examples

Answer 4

The X chromosome (ex. colorblindness and hemophilia)

Question 5

When genetic traits evoke responses from people

Answer 5

evocative forces

Question 6

When we select environments based on our genetics

Answer 6

Active forces

Question 7

How well genetic tendencies match environmental demands

Answer 7

Person-environment

Question 8

The first stage of pregnancy. Typically the first 2 weeks(10-14 days).

Answer 8

Germinal Stage

Question 9

A hollow ball of cells

Answer 9

Blastocyte

Question 10

The second stage of pregnancy (weeks 2-8).

Answer 10

Embryonic Stage

Question 11

After a zygote implants, it is known as what?

Answer 11

Embryo

Question 12

Brain and spinal cord develop first

Answer 12

Cephalocaudal sequence

Question 13

arms and legs develop after brain/spinal cord

Answer 13

Proximodistal Sequence

Question 14

The final stage of pregnancy (weeks 9-38)

Answer 14

Fetal stage

Question 15

What percent of the fetus is completed by 9 weeks?

Answer 15

95%

Question 16

By this time a baby has teeth and the gonads are in place

Answer 16

2.5 months

Question 17

By this time the baby is moving

Answer 17

3 months

Question 18

By this time the mom can feel the baby

Answer 18

4-5 months

Question 19

What is the term used when a mom can feel her baby move?

Answer 19

Quickening

Question 20

By this time the baby has fingerprints and a regular sleeping pattern

Answer 20

5 months

Question 21

By this time the baby is opening/closing their eyes. They are also about 14 in. long and 1.5 pounds

Answer 21

6 months

Question 22

By this time the baby is 17 in. long and 3.5 lbs. They are also able to cry, breathe, swallow, digest, and suck thumb

Answer 22

7 months

Question 23

By this time the babies survival rate is 90%

Answer 23

8 months

Question 24

This will affect the formation of an embryo

Answer 24

teratogens

Question 25

What are the 5 principles that apply to teratogens

Answer 25

1. Time of exposure 2. Dose 3. Organ specificity 4. Mother not affected 5. Delayed appearance

Question 26

This is a syndrome that affects physical coordination, comes with heart defects, lowers IQ, and may cause social issues

Answer 26

Fetal Alcohol Syndrome

Question 27

What is the first stage of childbirth? What are the 5 things a mother will experience?

Answer 27

Dilation and Effacement: 1. Braxton-Hicks 2. True Labor 3. Dilation of the cervix 4. Discomfort 5. Length of stage(varies)

Question 28

What is the second stage of birth? What is the length of this stage?

Answer 28

Birth and usually lasts minutes rather than hours

Question 29

This is the final stage of childbirth. AKA afterbirth

Answer 29

Expulsion of the placenta

Question 30

This is the fine furry hair on a baby

Answer 30

Lanugo

Question 31

This is a scale that is used after birth to look at vital signs. At what number does it become concerning?

Answer 31

APGAR Scale. Becomes concerning when it is 4 or below

Question 32

What does APGAR stand for?

Answer 32

Appearance, Pulse, Grimace, Activity, Respiration