This is the basis of sexual reproduction-the ability of chromosomes to pair up and divide.
This is the basis of sexual reproduction-the ability of chromosomes to pair up and divide.
The egg of every species of animal or plant carries a definite number of bodies called chromosomes. The sperm carries the same number. Consequently, when the sperm unites with the egg, the fertilized egg will contain the double number of chromosomes.
It's fairly easy to see how you can convert the chromosomes from the macaque to the human,
For each chromosome contributed by the sperm there is a corresponding chromosome contributed by the egg, there are two chromosomes of each kind, which together constitute a pair.
The test for whether or not you can hold a job should not be the arrangement of your chromosomes.
When the man who knows all about the fruit fly chromosomes finds himself sitting next to an authority on Beowulf... there may be an uneasy silence.
. . . congenital killers and criminals are possessed of not one but two Y chromosomes, bearing a double dose, as it were, of genetically undesirable maleness.
Just the fact someone is a girl, or female, that they have two X chromosomes, there's a reason to suspect sexual abuse.
© 2020 Inspirational Stories
© 2020 Inspirational Stories