2006-09-04 08:28:38 · 3 answers · asked by B I 1 in Science & Mathematics ➔ Biology
The human somatic cells have 44 autosomes and 2 sex chromosomes.
For the autosomes you have one copy of one type coming from each parent, therefore 22 different types.
For a male you have 2 different sex chromosomes (XY)so you have in total 22+2= 24 different types of DNA molecules.
For a female you have 2 similar sex chromosomes (XX) so you will have 22+1=23 different types of DNA molecules.
2006-09-04 11:32:29 · answer #1 · answered by bellerophon 6 · 0⤊ 0⤋
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females. Females have two copies of the X chromosome, while males have one X and one Y chromosome.
2016-03-26 21:59:35 · answer #2 · answered by Anonymous · 0⤊ 0⤋
There are only four different kinds of bases:guanine,cytosine, adenine and thymine. All four types would be represented.
2006-09-04 08:47:54 · answer #3 · answered by Anonymous · 0⤊ 0⤋