A chromosome is the cell organelle that contains the genes that define an organism’s traits.
published by Matha on 2021-07-23 15:38:30
Because of an extra 21st chromosome, some people have a disorder called Down syndrome.
published by Launa on 2021-07-09 15:55:47
Along with the Y chromosome, the X chromosome determines an organism’s gender.
published by Ola on 2021-02-06 04:53:45
A man with an extra X chromosome may display signs of Klinefelter syndrome, a condition that can cause physical abnormalities like enlarged breasts.
published by Harriett on 2021-01-15 13:07:47
The genetic difference between a male and a female is a Y chromosome.
published by Emil on 2021-10-16 23:17:02