The platypus is not only strange if you are duck-billed, venomous and a mammal that lays eggs—it has genetics that are weird. Many animals have actually two intercourse chromosomes, nevertheless the platypus has ten! Why? Just how can it works? And do these additional intercourse chromosomes make the platypus additional sexy? View to learn!

Unique because of Professor Jenny Graves for assisting us produce this movie.

Comprehensive credits are noted on YouTube.

Say hello into the platypus, among the strangest pets on the planet. It lays eggs it isn’t a bird. It creates milk but does not have any nipples. This has a skeleton like a reptile. And it’s really among the only venomous animals on our planet. As well as all that, it offers 5 times as many intercourse chromosomes once we people do. Oh yes. Let us speak about platypus intercourse.

First, however, an overview that is quick of chromosomes in people.

Our DNA is organised within 23 pairs of the small wiggly looking things—our chromosomes. One set comprises our intercourse chromosomes, which determine the sex we are born as. If both are an X, you are feminine. If you’ve got one X plus one Y, you are male.

As soon as we people choose to make an infant individual, the chromosomes split in an effort to generate a brand new setup with half from each moms and dad. The egg through the mom could have 23 of her 46 chromosomes that are total including one of several two Xes from her intercourse chromosomes.

The semen through the paternalfather may have 23 of their chromosomes, including either an X or a Y.

Once the egg and sperm meet, in the event that sperm carried an X chromosome, it is a woman. If a Y was carried by it, it is a child.

So it’s a mechanism that is fairly reasonable. Read more →

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