AP BIOLOGY

ANIMAL REPRODUCTION AND DEVELOPMENT

ASEXUAL REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The ____ and cytoplasm divide equally during the type of reproduction known as binary fission.
A
Plant
B
Nucleus
C
Bud
D
Stem
Explanation: 

Detailed explanation-1: -The process by which the parent cell divides into two is called binary fission. It can be seen in Amoeba. In binary fission, the nucleus divides first, and then the cytoplasm is equally distributed to the daughter cells.

Detailed explanation-2: -The nucleus then divides, one of the daughter nuclei passes into the bud, and ultimately the two cells separate. In some instances of binary fission, there may be an unequal cytoplasmic division with an equal division of the chromosomes.

Detailed explanation-3: -Reproduction by binary fission takes place in amoeba where the nucleus of amoeba first divides to produce two daughter nuclei (karyokinesis). After nuclear division, the cytoplasm divides and forms two daughter cells (cytokinesis). After this, the formation of two daughters amoeba takes place.

Detailed explanation-4: -BINARY FISSION. Binary fission is the simplest type of asexual reproduction. During binary fission, a one-celled organism divides by mitosis to form two daughter cells of equal size. Both the nucleus and the cytoplasm divide equally.

Detailed explanation-5: -Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. It occurs concurrently with two types of nuclear division called mitosis and meiosis, which occur in animal cells.

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