Bringing two hearts together

Article Abstract:

Research is presented concerning the embryonic development of the heart. The study of normal and abnormal heart development in Zebrafish has centered around the identification of mutations which cause abnormal heart development.

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Unexpectedly similar rates of nucleotide substitution found in male and female hominids

Article Abstract:

Research is presented concerning the mutation rates of the Y-linked genes and the X-linked genes in hominoids. The similarity in the mutation of human female and male genes is discussed.

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Repressor activity of headless/Tcf3 is essential for vertebrate head formation

Article Abstract:

The zebrafish headless mutant head defects are shown to be due to a mutation in T-cell factor-3.

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