Question

which of the following statements best describes chromosomes?
a. humans have more than 460 chromosomes in every cell of the body.
b. chromosomes are threadlike structures that carry genetic information.
c. humans receive the majority of their chromosomes from their mother.
d. chromosomes are arranged in 20 distinct pairs in the human body.

please select the best answer from the choices provided

a
b
c
d

Explanation:

Analyze the definition of chromosomes

Chromosomes are threadlike structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of deoxyribonucleic acid (DNA) which carries genomic information from cell to cell.

Evaluate the given options

• A is incorrect: Humans typically have 46 chromosomes in each somatic cell, not more than 460.
• B is correct: This statement accurately describes chromosomes as threadlike structures that carry genetic information.
• C is incorrect: Humans receive an equal number of chromosomes from each parent (23 from the mother and 23 from the father).
• D is incorrect: Humans have 23 distinct pairs of chromosomes (46 total), not 20 pairs.

Answer:

• (A) Humans have more than 460 chromosomes in every cell of the body.
• (B) Chromosomes are threadlike structures that carry genetic information. (Correct answer)
• (C) Humans receive the majority of their chromosomes from their mother.
• (D) Chromosomes are arranged in 20 distinct pairs in the human body.