At which specific stage of development do chick and mouse embryos look most simi
ID: 87009 • Letter: A
Question
At which specific stage of development do chick and mouse embryos look most similar?At the earlier stages, what are the most significant differences between chick and mouse embryos? Explain what factors determine these early differences.
You must base your answer on scientific publications (at least one) on the subject and include references.
Limit your answer to no more than one page (single-spaced). At which specific stage of development do chick and mouse embryos look most similar?
At the earlier stages, what are the most significant differences between chick and mouse embryos? Explain what factors determine these early differences.
You must base your answer on scientific publications (at least one) on the subject and include references.
Limit your answer to no more than one page (single-spaced). At which specific stage of development do chick and mouse embryos look most similar?
At the earlier stages, what are the most significant differences between chick and mouse embryos? Explain what factors determine these early differences.
You must base your answer on scientific publications (at least one) on the subject and include references.
Limit your answer to no more than one page (single-spaced).
Explanation / Answer
In the development of all vertebrates, there is a stage in their embryonic development where all of them resemble one another. This stage is called as phylotypic stage. In this stage chick embryo is nearly indistinguishable from mouse embryo.
In the earlier stages of development, mouse embryos differ from chick embryos in the following ways,
Scientific publications that support the answers are
1. Gilbert SF. Developmental Biology. 6th edition. Sunderland (MA): Sinauer Associates; 2000. Early Mammalian Development. Available from: https://www.ncbi.nlm.nih.gov/books/NBK10052/
2. Telford, N. A., Watson, A. J. and Schultz, G. A. (1990), Transition from maternal to embryonic control in early mammalian development: A comparison of several species. Mol. Reprod. Dev., 26: 90–100.
3. Maomao Zhang, Jennifer Skirkanich, Michael A. Lampson, Peter S. Klein, Vertebrate Development, 2017, 953, 441.
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