AP BIOLOGY

CELL DIVISION

CELL DIVISION AND CANCEROUS CELLS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

If a normal body cell in a butterfly contains 24 chromosomes, a butterfly egg would contain how many chromosomes?

A	3
B	6
C	12
D	24

Explanation:

Detailed explanation-1: -If the sperm and egg cells of a butterfly have six chromosomes, 12 chromosomes will be there in the maggot larvae. This is because maggot larvae forms due to the fusion of egg and sperm cells. Since egg contains 6 and sperm cells contains 6 chromosomes, maggot larvae will get both sperm cell and egg cell chromosomes.

Detailed explanation-2: -Thus, the parent cell with 24 chromosomes after undergoing mitosis will form two daughter cells each with 24 chromosomes.

Detailed explanation-3: -If a cell has 24 chromosomes before cell division then daughter cell resulting from mitotic division will have 24 chromosomes while daughter cell resulting from the meiotic division will contain 12 chromosomes each.

Detailed explanation-4: -If any organism has a haploid of 24 chromosomes, the total number of chromosomes in its diploid stage will be 48 chromosomes ( 24x2)

There is 1 question to complete.