Lab 9: Male Reproductive System

Question 1

______________________: production of sperm via meiosis

Answer 1

Spermatogenesis

Question 2

______________: two rounds of cell division that turn a diploid cell into a haploid cell

Answer 2

Meiosis

Question 3

Spermatogenesis begins at _______________ and is continuous throughout a man’s lifetime

Answer 3

puberty

Question 4

_______________ of the sperm is comprised of two portions:

Acrosome- contains enzymes required for fertilization, as the sperm must penetrate the egg

Nucleus- contains father’s DNA

Answer 4

Head

Question 5

________________ contains mitochondria to provide ATP that fuels the flagella

Answer 5

Midpiece

Question 6

__________ is made of whip-like flagella that gives the sperm motility

Answer 6

Tail

Question 7

Sperm is produced in the ______________.

Answer 7

testes

Question 8

Testes are covered by a double membrane: deep tunica _________________ and superficial tunic _________________.

Answer 8

albuguinea

vaginalis

Question 9

Specifically, spermatogenesis occurs in the _____________________ _____________________.

Answer 9

seminiferous tubules

Question 10

After leaving the seminiferous tubules the immature sperm then goes to the ________ ___________.

Answer 10

rete testes

Question 11

Sperm leave the testes through the _______________ ________________.

Answer 11

efferent ductules

Question 12

Efferent ductules lead to the __________________: head, body tail, where sperm mature and become motile

Answer 12

epididymis

Question 13

The epididymis gives way to the ______ ______________, enclosed within the _______________ ____________.

Answer 13

vas deferens

spermatic cord

Question 14

Vas deferens courses over the bladder and opens at the _______________ _____________.

Answer 14

ejaculatory duct

Question 15

_______________ ______________also empty their secretions intothe ejaculatory duct

Answer 15

Seminal vesicles

Question 16

What do the seminal vesicles secrete into the ejaculatory duct? (2)

Answer 16

Prostaglandins

Fructose

Question 17

Ejaculatory duct then leads to the__________ _______________,which courses through the prostate

Answer 17

prostaticurethra

Question 18

The prostate gland will also contribute to seminal fluidby providing _______________fluid:neutralizes acidic vagina

Answer 18

alkaline

Question 19

Prostatic urethra becomes the__________________ urethra

Answer 19

membranous

Question 20

____________________ glands secrete pre-ejaculate lubricant intothe

Answer 20

Bulbourethral

Question 21

Membranous urethra becomes the____________ urethra

Answer 21

penile

Question 22

The penile urethra opens to the exterior of the body through the_____________ ___________ _____________.

Answer 22

external urethral meatus

Question 23

What is the full pathway of the sperm?

Answer 23

Seminiferous Tubules
Rete Testes
Epididymis
Head, Body, Tail
Vas Deferens
Ejaculatory Duct
Urethra
Prostatic, Membranous, Penile
External urethral meatus

Question 24

What is the anatomical name for foreskin?

Answer 24

prepuce

Question 25

Roots of the penis are known as _______________.

Answer 25

crura

Question 26

______________________ - wraps around the corpus spongiosum 

Answer 26

Bulbospongiosus

Question 27

______________________ - wraps around the corpus cavernosum 

Answer 27

Ischocavernosus

Question 28

_______________: sac-like structure that houses the testes 

Answer 28

Scrotum

Question 29

______________________ – failure to descend

Answer 29

Cryptorchidism

Question 30

__________________ – fluid trapped within patent tunica vaginalis

Answer 30

Hydrocele

Question 31

The simplest form of a Punnett square is a _______________ ____________.

Answer 31

monohybrid cross

Question 32

Law of ____________________: The two alleles for each trait segregate during gamete formation; one allele per gamete

Answer 32

Segregation

Question 33

Law of _________________ __________________: Inheritance pattern of one trait is independent of the inheritance pattern of another trait

Answer 33

Independent Assortment

Question 34

Incomplete dominance occurs when both alleles are expressed, producing _______________ _______________.

Answer 34

intermediate phenotypes