Template:BGDB Sexual Differentiation - Sex Determination Interactive: Difference between revisions
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Here are a few simple Quiz questions that relate to Sex Determination from the lecture and practical. | Here are a few simple Quiz questions that relate to Sex Determination from the lecture and practical. | ||
<quiz display=simple> | <quiz display=simple> | ||
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|type="()"} | |type="()"} | ||
- primordial germ cells | - primordial germ cells | ||
|| Incorrect! The primordial germ | || Incorrect! The {{primordial germ cell}}s are not involved in this initial sex determination step. The support cells in the genital ridge, forming the testes, express {{SRY}} and this leads to a cascade of signaling differentiating these cells into '''{{Sertoli cell}}s''', also called sustentacular cells of Sertoli. | ||
- anterior pituitary | - anterior pituitary | ||
|| Incorrect! The anterior pituitary participates in later hormonal events. The support cells in the genital ridge, forming the testes, express {{SRY}} and this leads to a cascade of signaling differentiating these cells into '''{{Sertoli cell}}s''', also called sustentacular cells of Sertoli. | || Incorrect! The anterior pituitary participates in later hormonal events. The support cells in the genital ridge, forming the testes, express {{SRY}} and this leads to a cascade of signaling differentiating these cells into '''{{Sertoli cell}}s''', also called sustentacular cells of Sertoli. | ||
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- mesonephric duct cells | - mesonephric duct cells | ||
|| Incorrect! Mesonephric duct cells, while present early in genital ridge development, are not the initiators of this process but later effected by gonad differentiation. The support cells in the genital ridge, forming the testes, express {{SRY}} and this leads to a cascade of signaling differentiating these cells into '''{{Sertoli cell}}s''', also called sustentacular cells of Sertoli. | || Incorrect! Mesonephric duct cells, while present early in genital ridge development, are not the initiators of this process but later effected by gonad differentiation. The support cells in the genital ridge, forming the testes, express {{SRY}} and this leads to a cascade of signaling differentiating these cells into '''{{Sertoli cell}}s''', also called sustentacular cells of Sertoli. | ||
{The cells in the adult male and female gonad forming from equivalent primordial cells in each sex are: | |||
|type="()"} | |||
- Sertoli cells and thecal cells | |||
|| Incorrect! | |||
- Leydig cells and interstitial cells | |||
|| Incorrect! | |||
- primordial germ cells and oocytes | |||
|| Incorrect! | |||
+ thecal cells and interstitial cells | |||
|| Correct! '''Thecal cells''' (female) and '''interstitial cells''' (male) both form the sex hormone secreting cell population in the gonads. Leydig cells and interstitial cells are 2 names for the same cell in the testis. Primordial germ cells exist in both sexes and do form oocytes, but this is not what the question asked. The ductus deferens is the male internal genital tract formed from the mesonephric ducts. | |||
- ductus deferens and mesonephric ducts | |||
|| Incorrect! | |||
{The genes for testes-determining factors are located on the: | |||
|type="()"} | |||
+ short arm of the Y chromosome | |||
|| Correct! The gene for testes-determining factor {{SRY}} is located on the short arm of the {{ChrY}} chromosome | |||
- long arm of the Y chromosome. | |||
|| Incorrect! {{SRY}} (sex-determining region on the Y chromosome) gene was found in 1990 on the Y and the first {{SOX}} gene identified, the sry gene encodes a "testis-determining factor" a 204aa protein (Mr 23884 Da). | |||
|| Incorrect! The genes for testes-determining factors are located on the short arm of the {{ChrY}} chromosome. {{SRY}} (sex-determining region on the Y chromosome) gene was found in 1990 on the Y and the first {{SOX}} gene identified, the sry gene encodes a "testis-determining factor" a 204aa protein (Mr 23884 Da). | |||
- short arm of the X chromosome | |||
|| Incorrect! The genes for testes-determining factors are located on the short arm of the {{ChrY}} chromosome. {{SRY}} (sex-determining region on the Y chromosome) gene was found in 1990 on the Y and the first {{SOX}} gene identified, the sry gene encodes a "testis-determining factor" a 204aa protein (Mr 23884 Da). | |||
- long arm of the X chromosome | |||
|| Incorrect! The genes for testes-determining factors are located on the short arm of the {{ChrY}} chromosome. {{SRY}} (sex-determining region on the Y chromosome) gene was found in 1990 on the Y and the first {{SOX}} gene identified, the sry gene encodes a "testis-determining factor" a 204aa protein (Mr 23884 Da). | |||
- both the X and Y chromosomes contain these genes | |||
|| Incorrect! The genes for testes-determining factors are located on the short arm of the {{ChrY}} chromosome. {{SRY}} (sex-determining region on the Y chromosome) gene was found in 1990 on the Y and the first {{SOX}} gene identified, the sry gene encodes a "testis-determining factor" a 204aa protein (Mr 23884 Da). | |||
{The protein product of the gene SRY acts as a | |||
|type="()"} | |||
- growth factor | |||
|| Incorrect! Sry acts as a transcriptional activator (HMG type-high mobility group) binding to DNA and initiating male sex determination then regulating male development. | |||
- endocrine factor | |||
|| Incorrect! Sry acts as a transcriptional activator (HMG type-high mobility group) binding to DNA and initiating male sex determination then regulating male development. | |||
- receptor protein | |||
|| Incorrect! Sry acts as a transcriptional activator (HMG type-high mobility group) binding to DNA and initiating male sex determination then regulating male development. | |||
+ transcription factor | |||
|| Correct! Sry acts as a transcriptional activator (HMG type-high mobility group) binding to DNA and initiating male sex determination then regulating male development. | |||
</quiz> | </quiz> | ||
<br> | <br> | ||
{{ | {{BGDB SexDiffn}} | ||
<br> | |||
{| | {| | ||
|-bgcolor="FAF5FF" | |-bgcolor="FAF5FF" | ||
| | | | ||
:[[Template:Med Prac additional Information|'''Additional Information:''']] | :[[Template:Med Prac additional Information|'''Additional Information:''']] {{SRY}} | {{testis}} | {{Sertoli cell}} | ||
|} | |} | ||
|}<noinclude>[[Category:BGD]][[Category:Template]][[Category:Quiz]][[Category:Genital]][[Category:Male]][[Category:Female]]</noinclude> | |}<noinclude>[[Category:BGD]][[Category:Template]][[Category:Quiz]][[Category:Genital]][[Category:Male]][[Category:Female]]</noinclude> |
Latest revision as of 13:19, 12 June 2019
Sex Determination Interactive Component
Attempt the Quiz - Sex Determination | ||
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Here are a few simple Quiz questions that relate to Sex Determination from the lecture and practical.
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