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16 Ноя / 2019
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The group has found just exactly what will be the master switch for environmentally influenced male and female development, a temperature-sensitive molecular signature in a household of genes which control the phrase of numerous other genes.

Numerous reptiles, such as for instance crocodiles and marine turtles, don’t have intercourse chromosomes like people as well as other animals. Alternatively, their sex is scheduled by the temperature from which their eggs are incubated.

Experts have already been trying to understand how this sex-switching occurs for at the least 50 years, utilizing the team’s findings posted when you look at the journal that is international Advances.

Lead writer Dr Clare Holleley, CSIRO Research Scientist and an Adjunct Associate Professor at the University of Canberra’s Institute for used Ecology, stated the important thing towards the breakthrough lies within Australia’s bearded dragon lizard, that your group happens to be learning for many years.

“The dragon lizard has sex chromosomes comparable to birds that determine sex at normal conditions. But at high conditions, embryos with male intercourse chromosomes sex that is reverse hatch as females,” Dr Holleley stated.
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