DEVBIOL LE1 FINAL EXAM EXPERT
FEEDBACK LATEST AND COMPLETE
UPDATE GRADED A+
Oogonium -> primary oocyte -> 1 secondary oocyte
and first polar body -> Oocyte and second polar
body -> 1 functional sex cell (ovum) - ANSWER-
Cycle for female
Protamine - ANSWER-During spermatogenesis,
histone is replaced by which of the ,
to allow better packing of the condensed chromatin
in the head
,spermatogonium - ANSWER-Which cell type is
located outside the blood-testis barrier
Oogonium - ANSWER-Which of the following cells
normally participates in mitotic divisions?
In the female, meiosis begins during embryonic life;
in the male, meiosis begins at puberty. - ANSWER-
When does meiosis begin in the female and in the
male?
Diplotene - ANSWER-First meiotic arrest
Metaphase 2 - ANSWER-Second meiotic arrest
Follicle-stimulating hormone (FSH) produced by the
anterior lobe of the pituitary gland and testosterone
produced by the Leydig cells of the testis. -
,ANSWER-Sertoli cells in the testis are stimulated by
what two major reproductive
hormones
Estrogens, secreted by the ovary, support the
preovulatory. proliferative phase. From the time of
ovulation, progesterone is secreted in large amounts
by the corpus luteum and is responsible for the
secretory phase, which prepares the endometrium
for implantation of an embryo - ANSWER-The
actions of what hormones are responsible for the
changes in the
endometrium during the menstrual cycle?
Primordial Germ Cell - ANSWER-generative sex cells
also called germplasm
46 xy spermatogonium -> 46 xy primary
spermatocyte -> 2 set of 23 each xy spermatocyte -
, > 4 sets of 23 xy spermatids -> 4 sex cells
(spermatozoa) - ANSWER-Cycle for male
Outside of gonads - ANSWER-Where does germ
cells arise
Yolk sac mesoderm - ANSWER-Location of PGC for
humans at 24 day post fert.
Epiblast of gastrula - ANSWER-Location of PGC for
mouse
Inner cell mass (ICM) - ANSWER-Embryo porper
Trophoectoderm - ANSWER-Extra embryonic
membrane , formation of placenta
Amnion, Yolk sac, Allantois, Chorion - ANSWER-4
parts of the extra-embyronic membrane
FEEDBACK LATEST AND COMPLETE
UPDATE GRADED A+
Oogonium -> primary oocyte -> 1 secondary oocyte
and first polar body -> Oocyte and second polar
body -> 1 functional sex cell (ovum) - ANSWER-
Cycle for female
Protamine - ANSWER-During spermatogenesis,
histone is replaced by which of the ,
to allow better packing of the condensed chromatin
in the head
,spermatogonium - ANSWER-Which cell type is
located outside the blood-testis barrier
Oogonium - ANSWER-Which of the following cells
normally participates in mitotic divisions?
In the female, meiosis begins during embryonic life;
in the male, meiosis begins at puberty. - ANSWER-
When does meiosis begin in the female and in the
male?
Diplotene - ANSWER-First meiotic arrest
Metaphase 2 - ANSWER-Second meiotic arrest
Follicle-stimulating hormone (FSH) produced by the
anterior lobe of the pituitary gland and testosterone
produced by the Leydig cells of the testis. -
,ANSWER-Sertoli cells in the testis are stimulated by
what two major reproductive
hormones
Estrogens, secreted by the ovary, support the
preovulatory. proliferative phase. From the time of
ovulation, progesterone is secreted in large amounts
by the corpus luteum and is responsible for the
secretory phase, which prepares the endometrium
for implantation of an embryo - ANSWER-The
actions of what hormones are responsible for the
changes in the
endometrium during the menstrual cycle?
Primordial Germ Cell - ANSWER-generative sex cells
also called germplasm
46 xy spermatogonium -> 46 xy primary
spermatocyte -> 2 set of 23 each xy spermatocyte -
, > 4 sets of 23 xy spermatids -> 4 sex cells
(spermatozoa) - ANSWER-Cycle for male
Outside of gonads - ANSWER-Where does germ
cells arise
Yolk sac mesoderm - ANSWER-Location of PGC for
humans at 24 day post fert.
Epiblast of gastrula - ANSWER-Location of PGC for
mouse
Inner cell mass (ICM) - ANSWER-Embryo porper
Trophoectoderm - ANSWER-Extra embryonic
membrane , formation of placenta
Amnion, Yolk sac, Allantois, Chorion - ANSWER-4
parts of the extra-embyronic membrane
