By Merritt Melancon
Special to Poultry Times
ATHENS, Ga. — It may seem like everyone on Earth has an equal chance of being born male or female. It’s about a 50-50 split, after all.
But University of Georgia College of Agricultural and Environmental Sciences Associate Professor Kristen Navara has found that it’s not that simple.
Stress and a lack of resources can trigger hormonal shifts that make it more likely for a mother to produce female offspring.
Navara has found that it's true for birds, and although the mechanism is different, it’s true for humans and. . .
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