Researchers Find The reason that is genetic Birds Don’t Have Penises

Researchers Find The reason that is genetic Birds Don’t Have Penises

Developing bird embryos do have penis precursors, as it happens, but a signal that is genetic your penis cells to perish off during gestation

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Developing bird embryos do have penis precursors, as it happens, however a signal that is genetic your penis cells to perish down during gestation. Image via Wikimedia Commons/Habib M’henni

simply take a look that is close nearly any male land bird—say, a rooster, hawk if not a bald eagle—and you’ll notice they lack one thing contained in most male animals which have intercourse via interior fertilization. Continue reading “Researchers Find The reason that is genetic Birds Don’t Have Penises”