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Questions and Answers
What is the role of germ cells?
What is the role of germ cells?
- To regulate the sex determination process
- To regulate pluripotency in stem cells
- To give rise to gametes (correct)
- To initiate embryo development
What molecules are localized in the cytoplasm and give rise to the germ cells in fish, frogs, and flies?
What molecules are localized in the cytoplasm and give rise to the germ cells in fish, frogs, and flies?
- CXCR4
- Germplasm (correct)
- Oct4
- Blimp1/Prdm1
What environmental factor can affect the likelihood of sex determination in reptiles?
What environmental factor can affect the likelihood of sex determination in reptiles?
- Ratio of X chromosomes present
- Different number of chromosome sets
- Presence of Sry gene
- Temperature (correct)
Which gene affects the maleness of an organism and is found on the Y chromosome?
Which gene affects the maleness of an organism and is found on the Y chromosome?
What triggers an autoregulatory mechanism to continue the process for male development?
What triggers an autoregulatory mechanism to continue the process for male development?
Which factor is needed to ensure the repression of SOX9 for ovarian development?
Which factor is needed to ensure the repression of SOX9 for ovarian development?
What process do germ cells undergo to move to the gonads and be stored until the organism reaches adult stage?
What process do germ cells undergo to move to the gonads and be stored until the organism reaches adult stage?
Which process is regulated by the suppression of testis development?
Which process is regulated by the suppression of testis development?
Which factor is needed to ensure the repression of SOX9 for ovarian development?
Which factor is needed to ensure the repression of SOX9 for ovarian development?
What environmental factor can affect the likelihood of sex determination in reptiles?
What environmental factor can affect the likelihood of sex determination in reptiles?
What is the role of germ cells?
What is the role of germ cells?
Which gene affects the maleness of an organism and is found on the Y chromosome?
Which gene affects the maleness of an organism and is found on the Y chromosome?
What triggers an autoregulatory mechanism to continue the process for male development?
What triggers an autoregulatory mechanism to continue the process for male development?
What process do germ cells undergo to move to the gonads and be stored until the organism reaches adult stage?
What process do germ cells undergo to move to the gonads and be stored until the organism reaches adult stage?
Which process is regulated by the suppression of testis development?
Which process is regulated by the suppression of testis development?
What molecules are localized in the cytoplasm and give rise to germ cells in fish, frogs, and flies?
What molecules are localized in the cytoplasm and give rise to germ cells in fish, frogs, and flies?
What is the role of the Sry gene in sex determination?
What is the role of the Sry gene in sex determination?
In which animal is sex determination affected by temperature?
In which animal is sex determination affected by temperature?
What is the function of the g-protein CXCR4 in primordial germ cell migration?
What is the function of the g-protein CXCR4 in primordial germ cell migration?
Which gene is associated with stem cell pluripotency?
Which gene is associated with stem cell pluripotency?
What process do germ cells undergo to be stored in the gonads until the organism reaches adult stage?
What process do germ cells undergo to be stored in the gonads until the organism reaches adult stage?
What is the effect of the absence of Foxl2 on ovarian development?
What is the effect of the absence of Foxl2 on ovarian development?
Which molecule(s) localized in the cytoplasm give rise to germ cells in fish, frogs, and flies?
Which molecule(s) localized in the cytoplasm give rise to germ cells in fish, frogs, and flies?
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