Bio Reproduction

Question 1

Zygote

Answer 1

the single cell which results from fertilization

Question 2

fertilization

Answer 2

the fusion of gametes

Question 3

gametes

Answer 3

specialized sex cells which provide genetic material for sexual reproduction

Question 4

Ovulation

Answer 4

the release of a mature egg cell from a follicle

Question 5

Follicle Stage

Answer 5

• egg cell matures

- uterine lining builds up

Question 6

Stages of the Menstrual Cycle

Answer 6

• Follicle Stage
• Ovulation
• Corpus Luteum Stage

Question 7

Vagina

Answer 7

passageway between uterus and the outside

Question 8

Cervix

Answer 8

narrow opening between uterus and vagina

Question 9

Uterus

Answer 9

• thick muscular walls

- where the embryo develops

Question 10

oviducts

Answer 10

• tubes which connect each ovary to the uterus

Question 11

ovaries

Answer 11

• produce female gametes
• produce progesterone
• produce estrogen

Question 12

penis

Answer 12

deposits sperm cells into female reproductive tract

Question 13

urethra

Answer 13

tube which carries sperm and urine

Question 14

vas deferens

Answer 14

tube which carries sperm from testes to the urethra

Question 15

epididymis

Answer 15

stores sperm

Question 16

scrotum

Answer 16

sac of skin which contains testes and keeps testes at 94 deg for optimum sperm production

Question 17

testes

Answer 17

• produce male gametes
• produce testosterone
• controls secondary sex characteristics

Question 18

amnion

Answer 18

membranes which surround and cushions the embryo

Question 19

umbilical cord

Answer 19

connects the placenta and embryo

Question 20

placenta

Answer 20

structure which exchanges nutrients, oxygen, and waste

Question 21

amnion

Answer 21

surrounds embryo

Question 22

allantois

Answer 22

stored metabolic wastes

Question 23

Cowper’s gland

Answer 23

provides liquid environment for sperm

Question 24

seed coat

Answer 24

Outer covering of the ovule

Question 25

receptacle

Answer 25

stem part where flower originates

Question 26

Sepal

Answer 26

protect flower bud

Question 27

petal

Answer 27

used to attract pollinators

Question 28

ovary

Answer 28

contains the ovules and produces eggs

Question 29

Style

Answer 29

supports stigma

Question 30

Stigma

Answer 30

receives pollen grains

Question 31

Filament

Answer 31

supports each anther

Question 32

anther

Answer 32

produces pollen

Question 33

pistil

Answer 33

- female reproductive structure - 3 parts Stigma, Style, Ovary

Question 34

Stamen

Answer 34

- male reproductive structure | - 2 parts - anther and filiment

Question 35

identical twins

Answer 35

develop from same egg and sperm

Question 36

Fraternal Twins

Answer 36

develop from 2 twins and 2 sperm

Question 37

Menstruation

Answer 37

uterine lining breaks down and is discharged from body

Question 38

Corpus Luteum Stage

Answer 38

progesterone gets released from the ovary

Question 39

chorion

Answer 39

outer most membrane

Question 40

differentiation

Answer 40

process by which unspecialized cells become specialized cells, tissues, and organs

Question 41

gastrulation

Answer 41

hollow ball embryo becomes 3 germ layer embryo called gastrula

Question 42

cleavage

Answer 42

a series of mitotic cell divisions

Question 43

oogenesis

Answer 43

the production of egg cells in the ovaries

Question 44

spermatogenesis

Answer 44

the production of sperm cells in the testes

Question 45

homologous chromosomes

Answer 45

pairs of chromosomes which are the same size and shape and control the same characteristics

Question 46

haploid

Answer 46

half of the complete number of chromosomes | chromosome number

Question 47

diploid

Answer 47

the complete number of chromosomes for a given species - all cells of an organism have the diploid number of chromosomes except gametes (chromosome number)

Question 48

sexual reproduction

Answer 48

the production of a new individual resulting from the union of genetic material from two different sources or two different parents

Question 49

Only ________ have the haploid number of chromosomes

Answer 49

gametes

Question 50

karyotype

Answer 50

representation of individual chromosomes that have been cut out of a photograph and arranged in pairs and placed in order of size