Human Reproduction terms

Question 1

Testes

Answer 1

Male gonads

Question 2

Scrotum

Answer 2

External sac that contains the testes

Question 3

Sperm duct

Answer 3

Tube that carries sperm from the testes to the Urethra.

Question 4

Penis

Answer 4

The male reproductive organ that removes urine from the body and that can deliver sperm to the female reproductive system

Question 5

Urethra

Answer 5

Tube that carries from the bladder to the outside of the body

Question 6

Prostate gland

Answer 6

A gland in males that contribute to the seminal fluid

Question 7

Seminal vesicles

Answer 7

Glands that secrete a fluid rich in sugar that nourishes and helps sperm move

Question 8

Ovaries

Answer 8

a female reproductive organ in which ova or eggs are produced

Question 9

Uterus

Answer 9

Female organ in reproduction used to house the developing fetus.

Question 10

Vagina

Answer 10

Birth Canal

Question 11

Cervix

Answer 11

The opening to the Uterus

Question 12

Oviduct (fallopian tube)

Answer 12

Wher fertilization occurs; after ovulation, the egg moves through the oviduct to the uterus

Question 13

Estrogen

Answer 13

A sex hormone, secreted in greater accounts by females than by males which controls ovulation

Question 14

Testosterone

Answer 14

A male sex hormone produced by the testes

Question 15

Meiosis

Answer 15

Cell division that results in four daughter cells (gametes) each with half the number of chromosomes of the parent cell for sexual reproduction

Question 16

Embryo

Answer 16

The developing human organism from about 2 weeks after fertilization through the second month

Question 17

Zygote

Answer 17

Fertilized egg

Question 18

Foetus

Answer 18

Unborn baby; usually around 8 weeks from conception

Question 19

Placenta

Answer 19

A flattened circular organ in the uterus of pregnant women, nourishing and maintaining the fetus through the umbilical cord

Question 20

Gametes

Answer 20

Sex cells

Question 21

Phenotype

Answer 21

The physical expression of a trait due to genotype

Question 22

Genotype

Answer 22

An orgainism’s genetic makeup, or allele combinations.

Question 23

DNA

Answer 23

deoxyribonucleic acid

Question 24

Chromosomes

Answer 24

Threadlike structures made of DNA molecules that contain the genes. Humans have 23 pairs of chromosomes in each cell.

Question 25

Mitosis

Answer 25

Cell division in body cells resulting in two daughter cells with the same number of chromosomes as the parent cell

Question 26

Menstrual cycle

Answer 26

Cycle during which an egg develops and is released from an ovary and the uterus is prepared to recieve a fertilized egg.

Question 27

Ovulation

Answer 27

The process of releasing a mature ovum into the fallopian tube each month

Question 28

Umbilical cord

Answer 28

A tube containing the blood vessels connecting the fetus and the placenta

Question 29

Amniotic fluid

Answer 29

Fluid within the amniotic sac that surrounds and protects the fetus

Question 30

Sex chromosomes

Answer 30

X and Y chromosomes

Question 31

Dominant allele

Answer 31

an allele that is always expressesed when it is present

Question 32

Recessive allele

Answer 32

An allele that is only expressed where there is no dominant allele of the gene present (e.g t or g)

Question 33

Homozygous

Answer 33

An orgainism that has two identical alleles for a trait (e.g AA or aa)

Question 34

Heterozygous

Answer 34

An orgainism that has two different alleles for a trait (e.g Bb or bB)

Question 35

Phenotype

Answer 35

The physical appearance of a characteristic (e.g. right handed or lefthanded)