MCB 246 - Reproductive System Day 1 (Exam 4) Questions
With Complete Solutions
What are the accessory reproductive organs for females?
-uterine tubes
-uterus
-vagina
-external genitalia
-mammary glands
What are the primary reproductive organs for the male?
testes
What are the accessory reproductive organs for males?
-ducts and tubules leading from testes to penis
-male accessory glands
-penis
What is spermatogenesis?
-process of sperm development
Where does spermatogenesis occur?
within seminiferous tubule
When does spermatogenesis begin?
-begins during puberty within significant levels of FSH and LH
What are spermatogonia?
primordial germ cells from which all sperm develop
, What type of cells are spermatogonia and how do they divide?
-diploid cells near base of seminiferous tubule
-divide by mitosis into new spermatogonium and primary
spermatocyte
What are primary spermatocytes?
diploid cells that undergo meiosis
What are secondary spermatocytes? What type of cell are they?
-two cells produced by primary spermatocyte from meiosis I
-haploid cells, 23 chromosomes only
What is spermatid?
-formed when secondary spermatocytes complete meiosis II
-haploid cell near seminiferous tubule lumen, circular
appearance
What is spermiogenesis?
final stage of spermatogenesis
What happens to the spermatid during spermiogenesis?
-spermatid becomes mature spermatozoa, sperm
During spermiogenesis, excess _____________ shed and
nucleus ___________.
-cytoplasm
-elongates
During spermiogenesis, what forms over the nucleus? What
types of enzymes does this structure contain?
With Complete Solutions
What are the accessory reproductive organs for females?
-uterine tubes
-uterus
-vagina
-external genitalia
-mammary glands
What are the primary reproductive organs for the male?
testes
What are the accessory reproductive organs for males?
-ducts and tubules leading from testes to penis
-male accessory glands
-penis
What is spermatogenesis?
-process of sperm development
Where does spermatogenesis occur?
within seminiferous tubule
When does spermatogenesis begin?
-begins during puberty within significant levels of FSH and LH
What are spermatogonia?
primordial germ cells from which all sperm develop
, What type of cells are spermatogonia and how do they divide?
-diploid cells near base of seminiferous tubule
-divide by mitosis into new spermatogonium and primary
spermatocyte
What are primary spermatocytes?
diploid cells that undergo meiosis
What are secondary spermatocytes? What type of cell are they?
-two cells produced by primary spermatocyte from meiosis I
-haploid cells, 23 chromosomes only
What is spermatid?
-formed when secondary spermatocytes complete meiosis II
-haploid cell near seminiferous tubule lumen, circular
appearance
What is spermiogenesis?
final stage of spermatogenesis
What happens to the spermatid during spermiogenesis?
-spermatid becomes mature spermatozoa, sperm
During spermiogenesis, excess _____________ shed and
nucleus ___________.
-cytoplasm
-elongates
During spermiogenesis, what forms over the nucleus? What
types of enzymes does this structure contain?
