ch 3.

Question 1

genetic factors

Answer 1

nature

Question 2

4 sperm cells and 1 ovum

Answer 2

meiosis

Question 3

how many chromosomes do ovum and sperm cells have

Answer 3

23 chromosomes

Question 4

fertilized ovum, 23 pairs or 46 chromosomes

Answer 4

zygote

Question 5

sperm and ovum, the beginnings

Answer 5

gametes

Question 6

where are chromosomes located

Answer 6

on the dna in the nucleus of the cell

Question 7

first 23 pairs of chromosomes

Answer 7

autosomes

Question 8

XX

Answer 8

female chromosomes

Question 9

XY

Answer 9

male chromosomes

Question 10

who controls the biological sex of the baby

Answer 10

males

Question 11

how man genes in the human body

Answer 11

21,000

Question 12

how do we form parts of our body

Answer 12

DNA split into RNA transcribed –> mRNA goes into cytoplasm translated into amino acids into protein into parts of the body

Question 13

variation of a gene

Answer 13

alleles

Question 14

completely identical pairs, same outcome

Answer 14

homozygous

Question 15

gene parings don’t match

Answer 15

heterozygous

Question 16

dominant traits are presented and recessive traits are carried

Answer 16

dominant recessive

Question 17

both dominant and recessive traits

Answer 17

incomplete

Question 18

traits linked to the x-chromosomes

Answer 18

x-linked traits

Question 19

multiple genes contribute to the makeup

Answer 19

polygenic traits

Question 20

one gene contributes

Answer 20

monogenic traits

Question 21

factor or trait that is affected by nature and nurture

Answer 21

multifactorial traits

Question 22

looking at first 22 pairs, emerges in meiosis and results in miscarriage

Answer 22

autosomal abnormalities

Question 23

1 in 600 births, trisomy 21, mosaic and translocation

Answer 23

down syndrome

Question 24

extra x chromosomes, sterile, biological development of the penis and testes

Answer 24

klinefelter syndrome

Question 25

extra y chromosome, males extremely tall, intellectual impairment and langauge skills

Answer 25

jacob's syndrome

Question 26

females, intelleectual delays, extra x, menstruation and breast development

Answer 26

triple x syndrome

Question 27

learning disabilities and difficulty reading facial emotions, missing an x

Answer 27

turner syndrome

Question 28

inheritance, genetic makeup

Answer 28

genotype

Question 29

physical appearance

Answer 29

phenotype

Question 30

one egg that shares indentical DNA, one zygote that splits into two

Answer 30

monozygotic

Question 31

two different zygotes, two different eggs so different sets of DNA

Answer 31

dizygotic

Question 32

how much something is due to our genetics or due to our enviornment

Answer 32

hereditability estimates

Question 33

child is the passive agent

Answer 33

passive gene-environment correlations

Question 34

child wants to do it and influence their environment through niche picking

Answer 34

active gene-environment correlations

Question 35

child is pulling response out from environemnt

Answer 35

evocative gene-environment correlations

Question 36

field of study - nurture on nature

Answer 36

epigenetics

Question 37

chemical marker places on end of genes that turns on and off genes

Answer 37

methylation