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Q: How many chromosomes does a human cell contain?
  • A. 6
  • B. 26
  • C. 46
  • D. 66
Correct Answer: Option C - Human have 23 pairs of chromosomes (46 in numbers), in which 22 pairs of numbered chromosomes called an autosomes and one pair of sex chromosomes (X and Y). Each parent contributes one chromosome to each pair so that offspring get half of their chromosomes from their mother and half from their father.It is generally recognised that chromosomes we first discovered by Walther Flemming in 1882.
C. Human have 23 pairs of chromosomes (46 in numbers), in which 22 pairs of numbered chromosomes called an autosomes and one pair of sex chromosomes (X and Y). Each parent contributes one chromosome to each pair so that offspring get half of their chromosomes from their mother and half from their father.It is generally recognised that chromosomes we first discovered by Walther Flemming in 1882.

Explanations:

Human have 23 pairs of chromosomes (46 in numbers), in which 22 pairs of numbered chromosomes called an autosomes and one pair of sex chromosomes (X and Y). Each parent contributes one chromosome to each pair so that offspring get half of their chromosomes from their mother and half from their father.It is generally recognised that chromosomes we first discovered by Walther Flemming in 1882.