PATHOLOGY

PATHOLOGY MCQ

CELL DAMAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A human zygote should have ____ chromosomes inside.
A
46
B
23
C
92
D
64
Explanation: 

Detailed explanation-1: -Egg and sperm cells have just 23 chromosomes each. That’s half as many chromosomes as regular cells. Through the process of fertilization, egg and sperm join to make a cell with 46 chromosomes (23 pairs), called a zygote.

Detailed explanation-2: -The number of chromosomes in the gamete is haploid and human gametes contain 23 chromosomes. As zygote is from the fusion of two gametes, the chromosome number is diploid and is double of that in gamete and thus has 46 chromosomes.

Detailed explanation-3: -Two haploid cells (gametes) are fused and a zygote is formed. It is diploid in nature. A human zygote possesses 46 chromosomes.

Detailed explanation-4: -A fertilized egg is a zygote that results from the fusion of male and female gametes. The number of chromosome in the zygote would be double the number present in the gamete. As a result, the zygote has 48 chromosomes.

Detailed explanation-5: -Each egg cell or sperm contains 23 chromosome whereas a normal cell has 46 chromosomes.

There is 1 question to complete.