LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Meiosis is ____
A
An asexual reproduction that produces 4 genetically different gametes
B
A sexual reproduction that produces 4 genetically different gametes
C
A sexual reproduction that produces the same 4 genetically gametes
D
An asexual reproduction that produces the same 4 genetically gametes
Explanation: 

Detailed explanation-1: -Meiosis contains two separate cell divisions, meaning that one parent cell can produce four gametes (eggs in females, sperm in males). In each round of division, cells go through four stages: prophase, metaphase, anaphase, and telophase. Before entering meiosis I, a cell must first go through interphase .

Detailed explanation-2: -When a cell divides by way of mitosis, it produces two clones of itself, each with the same number of chromosomes. When a cell divides by way of meiosis, it produces four cells, called gametes. Gametes are more commonly called sperm in males and eggs in females.

Detailed explanation-3: -Meiosis also differs from mitosis in that it involves a process known as recombination, during which chromosomes exchange segments with one another. As a result, the gametes produced during meiosis are genetically unique.

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