Development

Question 1

Five personality traits

Answer 1

Conscientiousness, agreeableness, neuroticism, openness and extraversion

Question 2

22 of 23 pairs of human chromosomes are matching called

Answer 2

Autosomes

Question 3

23rd pair

Answer 3

Sex chromosome

Question 4

Dominant gene

Answer 4

Causes the dominant trait to be expressed in the individual

Question 5

Recessive gene

Answer 5

Expressed only if it is paired withanother recessive gene

Question 6

Polygenetic

Answer 6

Do not involve dominant or recessive genes

Question 7

Conception num sperm

Answer 7

200 to 400 million per ejaculation

Question 8

2000 sperm

Answer 8

Find their ways to the right tube

Question 9

Sperm guided by?

Answer 9

Chemical secreted by the ova

Question 10

Gelatinous layer called

Answer 10

Zona pellucida

Question 11

It takes the zygote

Answer 11

Three to four days to reach the uterus

Question 12

Embryoinic

Answer 12

Period from implantation to a point eighth week

Question 13

Two trends the embryo follows

Answer 13

Cephalocaudal growth
Proximodistal growth

Question 14

Fetal stage

Answer 14

Ninth week and continues until birth

Question 15

Thalidomide

Answer 15

Prevents proper growth of the fetus resulting in horrific birth defects