THE MOLECULAR BASIS OF INHERITANCE
THE HUMAN GENOME
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
22
|
|
|
23
|
|
|
24
|
|
|
46
|
Detailed explanation-1: -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.
Detailed explanation-2: -Chromosomes come in pairs. Normally, each cell in the human body has 23 pairs of chromosomes (46 total chromosomes).
Detailed explanation-3: -The autosomes are normally present in pairs. The sperm contributes one sex chromosome (X or Y) and 22 autosomes . The egg contributes one sex chromosome (X only) and 22 autosomes . Sometimes microarray is referred to as 24-chromosome microarray : 22 chromosomes, and X and Y are counted as one each, for a total of 24.
Detailed explanation-4: -We humans have 23 pairs of chromosomes and interestingly, chimps, gorillas and orangutans have 24 such pairs.
Detailed explanation-5: -Human cells normally contain 23 pairs of chromosomes, for a total of 46 chromosomes in each cell .