We let you know about Weird development: platypus sex
The platypus is not just 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 discover!
Unique compliment of Professor Jenny Graves for assisting us produce this movie.
Comprehensive credits are noted on YouTube.
Say hello to your platypus, among the strangest pets on earth. It lays eggs but isn’t a bird. It creates milk but doesn’t have nipples. A skeleton is had by it such as for instance a reptile. And it’s really one of many only mammals that are venomous the earth. Along with all that, this has five times as many intercourse chromosomes even as we people do. Oh yes. Let’s speak about platypus sex.
First, however, an overview that is quick of chromosomes in people.
Our DNA is organised within 23 pairs of those small wiggly looking things—our chromosomes. One pair comprises our intercourse chromosomes, which determine the intercourse we’re born as. If both are an X, you’re feminine. And in case you’ve got one X and another Y, you are male.
Whenever we people choose make a child individual, the chromosomes split in an effort to generate a configuration that is new half from each moms and dad. The egg through the mom could have 23 of her 46 chromosomes that are total including among the two Xes from her intercourse chromosomes.
The semen through the daddy need 23 of his chromosomes, including either an X or a Y.
Once the egg and meet that is sperm in the event that semen carried an X chromosome, it is a woman. (altro…)