Please help me answer the following questions: 1) The embryo gets implanted into
ID: 80115 • Letter: P
Question
Please help me answer the following questions:
1) The embryo gets implanted into the wall of the uterus __________________.
2-3 days
6 weeks
8-9 days
2 weeks
2) The embryo begins to form genitalia after about _________________ weeks.
2
4
6
8
3) The Sertoli Cells of the developing testis secrete _______________________________.
(AWH) Anti-Wolffian Hormone
(AMH) Anti-mullerian hormone
(LH) Luteinizing Hormone
testosterone
4) Fertilization of the ovum occurs in the _________________.
ovary
uterus
follicle
Fallopian tube
5) The male genitalia is developed from the _________________-.
Wolffian duct
endometrium
Mullerian duct
sertoli ridge
6) Development of the testis depends on the presence or absence of the ______________________.
Testis-Determining Factor (TDF) gene on the Y chromosome.
SOX9 gene on the Y chromosome.
SOX transcription factor gene on the Y chromosome.
SRY gene on the Y chromosome.
7) Leydig cells within the developing testis secrete _______________________.
(AMH) Anti-Mullerian Hormone
(GnRH) Gonadotropin-Releasing Hormone
testosterone
progesterone
8) A blastocyst is the stage of embryonic development that consists of ____________________________.
a solid mass of cells between 100-300 cells large
cells that migrate to one side of the embryo
4 to 8 cells just after formation of the zygote
cells that secrete AMH hormone that triggers implantation
9) The female genitalia develops from the ______________________.
Wolffian duct
Mullerian duct
Sertoli cells
Mesothelium
6 weeks
8-9 days
2 weeks
2) The embryo begins to form genitalia after about _________________ weeks.
2
4
6
8
3) The Sertoli Cells of the developing testis secrete _______________________________.
(AWH) Anti-Wolffian Hormone
(AMH) Anti-mullerian hormone
(LH) Luteinizing Hormone
testosterone
4) Fertilization of the ovum occurs in the _________________.
ovary
uterus
follicle
Fallopian tube
5) The male genitalia is developed from the _________________-.
Wolffian duct
endometrium
Mullerian duct
sertoli ridge
6) Development of the testis depends on the presence or absence of the ______________________.
Testis-Determining Factor (TDF) gene on the Y chromosome.
SOX9 gene on the Y chromosome.
SOX transcription factor gene on the Y chromosome.
SRY gene on the Y chromosome.
7) Leydig cells within the developing testis secrete _______________________.
(AMH) Anti-Mullerian Hormone
(GnRH) Gonadotropin-Releasing Hormone
testosterone
progesterone
8) A blastocyst is the stage of embryonic development that consists of ____________________________.
a solid mass of cells between 100-300 cells large
cells that migrate to one side of the embryo
4 to 8 cells just after formation of the zygote
cells that secrete AMH hormone that triggers implantation
9) The female genitalia develops from the ______________________.
Wolffian duct
Mullerian duct
Sertoli cells
Mesothelium
Explanation / Answer
1.Embryo gets implanted on the walls of uterus within 8- 9 days after ovultion and this process is called as implantation.
2.The embryo forms genitalia after about 6 weeks.
3.Sertoli cells in early male testis secrete anti mullerian hormone which inhibits the development of mullerian ducts.
4.Fertilization takes place in the fallopian tubes.
5.The wolffian duct develops into the rete testis, the efferent ducts,the epididymis, and the seminal vesicles in the males.
6.Testis determining factor protein encoded by SRY gene is responsible for the initiation of male sex determination in humans.
7.Leydig cells produce testosterone in the presence of luteinizing hormone.
8.Blastocyst is the stage of embryonic development comprising of about 100 - 300 cells.
9.Female genitalia develops from the Mullerian ducts.
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