AP BIOLOGY

CELL DIVISION

CELL DIVISION AND CANCEROUS CELLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Sex cells are also called
A
Somatic cells
B
Gametes
C
Germ cells
D
Lymphocytes
Explanation: 

Detailed explanation-1: -These sex cells are also called reproductive cells or gametes. Sperm cells are produced in men’s testicles and egg cells are produced in women’s ovaries. Sex cells are different from other cells in one special way: Put simply, they only have one half of the total amount of human genetic information.

Detailed explanation-2: -A gamete is a reproductive cell of an animal or plant. In animals, female gametes are called ova or egg cells, and male gametes are called sperm. Ova and sperm are haploid cells, with each cell carrying only one copy of each chromosome. During fertilization, a sperm and ovum unite to form a new diploid organism.

Detailed explanation-3: -Humans are diploid, and most of the body’s cells contain 23 chromosomes pairs. Human gametes (egg and sperm cells), however, contain a single set of chromosomes and are said to be haploid.

Detailed explanation-4: -In the human reproductive process, two kinds of sex cells, or gametes (pronounced: GAH-meetz), are involved. The male gamete, or sperm, and the female gamete, the egg or ovum, meet in the female’s reproductive system. When sperm fertilizes (meets) an egg, this fertilized egg is called a zygote (pronounced: ZYE-goat).

Detailed explanation-5: -Somatic cells are body cells and gametes are our sex cells, or sperm and eggs. Somatic cells have a diploid genome. This means that they get two copies of each chromosome, one from mom and one from dad. Gametes on the other hand are formed through a process called meiosis, which creates a haploid genome.

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