Question

At embryonic day 7.0 in mouse embryos, BMP4 and BMP8b are secreted from the extraembryonic ectoderm. In response to these factors a small population of cells at the posterior/caudal end of the embryo will _____. Finish the sentence with the best answer.A. express Blimp1 and become oocytesB. express Fragilis, Blimp1 and Stella and become primordial germ cellsC. express Fragilis, Blimp1 and Stella and become spermatozoaD. express retinoic acid and undergo meiosis.

Answer 1

BMP4 and BMP8b are released from extra embryonic ectoderm in mouse embryos around embryonic day 7.0.

A tiny number of cells at the posterior/caudal end of the embryo will C. Express Fragilis, Blimp1 and Stella and become spermatozoa cells as a result of these factors.

Hence the correct option is C;

The proteins BMP4 and BMP8b are in charge of the development of the embryo, particularly the creation of the bones and cartilages. These signaling molecules help build a dorsal-ventral axis and aid in early embryonic development.

Additionally, these chemicals cause the cells in the caudal end to secrete Blimp1, which is necessary for the development of mouse primordial germ cells.

Learn more about to BMP4 and BMP8b  visit here;

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