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| Name | How Cells Decide Between X And Y Chromosomes? Explained |
| Video Uploader | Video From The World Of Science |
| Upload Date | This Video Uploaded At 12-12-2022 05:52:48 |
| Video Discription | How does a cell decide whether to become a mom-cell or a dad-cell? Scientists once thought it was completely random. But experiments with mice showed that an entire organ, an eye, for example, can be mostly mom-cells or mostly dad-cells. It’s not random! It’s a mystery how the cell decides. Scientists know the X chromosome much better. It’s part of the system that determines whether we become male or female. If an egg inherits an X chromosome from both parents, it becomes female. If it gets an X from its mother and a Y from its father, it becomes male. But the X chromosome remains mysterious. For one thing, females shut down an X chromosome in every cell, leaving only one active. That’s a drastic step to take, given that the X chromosome has more than 1,000 genes. In some cells, the father’s goes dormant, and in others, the mother’s does. While scientists have known about this so-called X-chromosome inactivation for more than five decades, they still know little about the rules it follows, or even how it evolved. In the journal Neuron, a team of scientists has unveiled an unprecedented view of X-chromosome inactivation in the body. They found a remarkable complexity to the pattern in which the chromosomes were switched on and off. At the same time, each copy of the X chromosome contains versions of genes not found on its partner. So having two X chromosomes gives females more genetic diversity than males, with their single X chromosome. Because of that, females have a genetic complexity that scientists are only starting to understand. Video Editor: Team 121 Creators (https://bit.ly/team121x) Narration: Sidhart Viyapu (https://bit.ly/sidvoice) Project Head: Rajkumar Shukla Production: World Of Science Media (https://theworldofscience.co) ©2022, World Of Science (WOS) Media. All Rights Reserved. -~-~~-~~~-~~-~- Please watch: "The $1 Trillion Project Of Turning Sahara Green Again! What Could Go Wrong?" - https://youtu.be/mA77Pmwx9r0 -~-~~-~~~-~~-~- |
| Category | Science & Technology |
| Tags | chromosomes | x chromosome | y chromosome | sex chromosomes | chromosome | chromosome structure | chromosomal theory of inheritance | chromosomes explained | x and y chromosomes | how cell looks like | chromosomes and genes | chromosomes dna and genes | chromosomes during cell division | inside dna | inside cell animation | inside cells | inside cell membrane | inside chromosomes | dna animation | cell animation | genetics | xy chromosome | xx and xy chromosome | sex chromosome | dna structure | genes |
