CH 3 SG

Question 1

Zygote

Answer 1

Single cell

Question 2

Difference between a genotype and a phenotype

Answer 2

An organism’s genotype is the set of genes that it carries. An organism’s phenotype is all of its observable characteristics

Question 3

Difference between Turner’s and Klinefelter’s Syndromes

Answer 3

Turner syndrome (TS) is caused by having only one X chromosome (X0), and Klinefelter syndrome (KS) by having two X chromosomes and one Y chromosome (XXY)

Question 4

Periods of prenatal development

Answer 4

-GERMINAL
-EMBRYONIC
-FETAL

Question 5

Prenatal care

Answer 5

Critical component for health of newborn (doctors visits, ultrasounds, diet, exercise, awareness of teratrogons)

Question 6

Teratogens

Answer 6

AN AGENT SUCH AS DISEASE, DRUGS OR OTHER ENVIRONMENTAL FACTORS THAT CAN DISRUPT PRENATAL DEVELOPMENT (INCREASES RISKS OF ABNORMALITIES & DEFECTS)

Question 7

Age of viability

Answer 7

THE AGE THAT A FETUS CAN SURVIVE OUTSIDE UTERUS IF SPECIALIZED MEDICAL CARE IS AVAILABLE (22 WEEKS/BRAIN IS SUFFICIENTLY MATURE)

Question 8

Chromosomal pattern of males and females

Answer 8

the female is XX and the male is XY

Question 9

APGAR test

Answer 9

Score over 7, healthy
Score of 5 or less–concern
- Appearance (Skin Color)
- Pulse (Heart Rate)
- Grimace (Reflex Irritability)
- Activity (Muscle Tone)
- Respiration
Rated 0 to 2 for each category at 1
minute and 5 minutes after birth (First test immediately after birth)

Question 10

GERMINAL

Answer 10

1ST TWO WEEKS OF PRENATAL DEVELOPMENT (ZYGOTE (SINGLE CELL)/DIVIDES)

Question 11

EMBRYONIC

Answer 11

INNER CELLS (IF OUTER CELLS
SUCCESSFULLY IMPLANT
BECOME AN EMBRYO)

Question 12

FETAL

Answer 12

Genitals form, Heartbeat detectable, Brain growth critical, Enables regulation of all body functions, All body parts and systems complete in
prenatal development

Question 13

Multiplying cells separate into what two distinct masses?

Answer 13

Placenta and embryo

Question 14

DIFFERENTIATION

Answer 14

CELLS SPECIALIZE, TAKE DIFFERENT FORMS, REPRODUCE DIFFERENT RATES

Question 15

Placenta

Answer 15

OUTER CELLS SURROUNDS & PROTECTS
EMBRYO THE OUTER CELLS MUST IMPLANT OR EMBED THEMSELVES INTO THE LINING OF THE UTERUS (ABOUT 50% DO NOT)

Question 16

Primitive streak

Answer 16

thin line down middle of embryo becomes the neural tube and later forms the brain and spine

Question 17

Other teratogens

Answer 17

TIMING CRITICAL PERIOD, AMOUNT OF TERATROGENS, GENETICS, BEING MALE OR FEMALE (MALES MORE LIKELY TO EXPERIENCE DAMAGE)

Question 18

Low birth weight

Answer 18

UNDER 5 ½ POUNDS (LOWER WEIGHT—MORE POTENTIAL PROBLEMS)

Question 19

Small-for-date-infants

Answer 19

a baby who is smaller than other babies of the same gestational age, usually with a birth weight below the 10th percentile

Question 20

Brazelton Neonatal Behavioral Assessment

Answer 20

MAY BE ADMINISTERED DAY OR
2 AFTER BIRTH (RECORDS 46 BEHAVIORS)