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Alberta Biology 30: Reproduction & Development Questions and Answers
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Alberta Biology 30: Reproduction & Development Questions and Answers
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Alberta Biology 30: Reproduction & DevelopmentQuestions and Answers
What is the composition of semen? -Answer sperm, sugar (fructose), basic mucus,
prostaglandins
Name the glands that contribute to the composition of semen. -Answer testes, seminal
vesicles, prostate gland, Cowper's gland
Which gland contributes a cellular component of semen? -Answer only the testes
What is spermatogenesis? What are the products? -Answer production of sperm in
response
to FSH; meiosis that occurs in the sem. tubules; produces four equal sized daughter cells
What is the function of the Sertoli cells? -Answer nourish/protect the sperm; have FSH
receptors; make inhibin (prevents spermatogenesis during childhood) *not curricular*
Name the three parts of sperm and their functions. -Answer head = contains acrosome
with
digestive enzymes to help penetrate the egg & 23 chromosomes
midpiece = contain mitochondria to power the flagellum
tail = aka flagellum; moves sperm
, What is the function of the ovaries? -Answer produces an egg within the follicles in
response
to FSH; site of ovulation in response to LH
What is the function of the fallopian tubes? -Answer carry ovum towards uterus; normal
site
of fertilization; cut & tied during tubal ligation
What is the function of the uterus? -Answer implantation of zygote in the endometrium
What is the function of the cervix? -Answer muscular ring; hold developing fetus in uterus;
dilates during birth
What is the function of the vagina? -Answer muscular, elastic canal; used for intercourse,
birth and menstruation
What is the difference between primary and secondary sex characteristics? -
Answer primary
= direct role in reproduction (gonads)
secondary = features that distinguish the two sexes; develop at puberty
What is the process of creating a zygote called? How many chromosomes does it have? -
Answer fertilization; 46 chromosomes
What kinds of sex chromosomes can a sperm contribute? An egg? -Answer sperm = X or Y
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