Prepare for the Clinical Genetics Test. Utilize flashcards and multiple-choice questions, each with hints and explanations. Achieve success on your exam!

Multiple Choice

In humans, how many autosome pairs and sex chromosome pairs are there?

In humans, the chromosome set consists of 22 pairs of autosomes and 1 pair of sex chromosomes, totaling 46 chromosomes. Autosome pairs are non-sex chromosomes and are numbered 1 through 22. The remaining pair determines sex and can be XX in females or XY in males. So the correct idea is 22 autosome pairs plus 1 sex-chromosome pair. Other descriptions either misstate the numbers or swap the categories, which doesn’t match how human chromosomes are organized.

In humans, the chromosome set consists of 22 pairs of autosomes and 1 pair of sex chromosomes, totaling 46 chromosomes. Autosome pairs are non-sex chromosomes and are numbered 1 through 22. The remaining pair determines sex and can be XX in females or XY in males. So the correct idea is 22 autosome pairs plus 1 sex-chromosome pair. Other descriptions either misstate the numbers or swap the categories, which doesn’t match how human chromosomes are organized.