The regulation of seasonal reproduction in sheep is intricately linked to the actions of melatonin, a hormone whose secretion varies with the photoperiod. Central to this process are the melatonin ...
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Frozen genes or final days? Inside the race to rebuild a species
Quick Take Preserving the northern white rhino now requires overcoming functional extinction, as there are only two females ...
A gene-edited mouse created with two male parents has now survived to reach adulthood. This is a momentous occasion for genetics, as previous attempts to create bi-paternal mice have failed for a ...
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Male-Only Reproduction Is Now Real: First-Ever Mice Born from “Two Fathers” Survive to Adulthood
In a groundbreaking experiment, researchers from the Chinese Academy of Sciences (CAS) have successfully created a bi-paternal mouse—a mouse with two biological fathers. This marks the first time a ...
Imagine suddenly losing your ability to smell certain foods; no longer sensing the aroma of fresh bread or ripe fruit. This is what happens to roundworms when they stop reproducing. They can still ...
A team of stem cell scientists have successfully used embryonic stem cell engineering to create a bi-paternal mouse -- a mouse with two male parents -- that lived until adulthood. Their results ...
As a group, carriers of recessive disorders are slightly less healthy and have a reduced chance of having offspring. This disadvantage is greatest for carriers of a recessive gene for intellectual ...
Scientists uncover how genetic factors influence reproductive timing, aging, and health, shedding light on fertility trends and their impact on future generations. Study: Genetics of female and male ...
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