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Simora [160]
3 years ago
8

Explain how XY mice with a duplication of chromosome 1 develop ovaries and a female phenotype.

Biology
1 answer:
Dahasolnce [82]3 years ago
3 0

Answer:

Duplication of the Dax1 is associated to equivocal sex determination on how XY mice develop ovaries and a female phenotype which comes from strong expression of the homologous gene (Ahch) in the first stages of gonadal (and adrenal) differentiation.

Explanation:

Dose-Sensitive Sex Reversal Locus on Chromosome X, Gene 1 , DAX1∗ (officially, nuclear receptor subfamily 0, group B, member 1; NR0B1) is a member of the nuclear hormone receptor superfamily of transcription factors that functions primarily as a transcriptional repressor.

Duplication of the DAX1/NROB1 locus is associated with male-to-female sex reversal, that is ambiguous external genital differentiation ranges.

One X chromosome and one Y chromosome in each diploid cell of their bodies differencite males from females, who typically have two X chromosomes but XX males that are SRY-positive have two X chromosomes, with one of them containing genetic material from the Y chromosome, making them phenotypically male but genetically female.

DAX1 protein may be directly or indirectly involved in gonadal regulation of hypothalamic-pituitary function.

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4 0
3 years ago
What kind of molecule is most likely being injected into the mouse embryo? why do you think so?
Xelga [282]

The kind of molecule that is most likely to be injected into the mouse embryo is  s known to be P4 injection as well as injection of estrogen.

<h3>How are they inserted into mice?</h3>

In the time after an ovariectomy is done to the mice, a continuous P4 injection (Progesterone Injection) is known to help keep the dormancy of the embryos for a lot of days.

There is also the act of Priming with the use of estrogen injection and this is often done at a high concentration ( that is about >10 ng/mouse).

Note that after this, a regular injection of estrogen is also done at a low concentration to be able to induce the transition process.

Hence, The kind of molecule that is most likely to be injected into the mouse embryo is  s known to be P4 injection as well as injection of estrogen.

Learn more about embryo from

brainly.com/question/26087722

#SPJ1

4 0
2 years ago
How do cultural traits, cultural complexes, and cultural patterns differ?
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Cultural traits are the individual elements or smallest units of culture. It is these traits, which distinguish one culture from another. A cultural pattern is formed when traits and complexes become connected to each other in Tylor’s definition lay in his “complex whole” formulation, it varied cultures of different peoples or societies. While cultural complexes is a group of cultural traits that are all interrelated and dominated with one essential trait. To make substantial and accurate comparisons between cultures, lives are always entangled in complex patterns of work and family, power and meaning, they also focus a lot on the differences between every person it was discovered that physical traits that had been used to.
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