How many autosomes are present in the human genome?

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Prepare for the PLTW Biomedical Science Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

Multiple Choice

How many autosomes are present in the human genome?

Explanation:
Autosomes are the non-sex chromosomes, and in humans they come in twenty-two pairs. That means there are forty-four autosomes in each somatic cell. The rest of the genome includes a pair of sex chromosomes, so the total number of chromosomes in a typical human cell is forty-six. In gametes, there are twenty-two autosomes plus one sex chromosome, totaling twenty-three chromosomes. So the number of autosomes is forty-four.

Autosomes are the non-sex chromosomes, and in humans they come in twenty-two pairs. That means there are forty-four autosomes in each somatic cell. The rest of the genome includes a pair of sex chromosomes, so the total number of chromosomes in a typical human cell is forty-six. In gametes, there are twenty-two autosomes plus one sex chromosome, totaling twenty-three chromosomes. So the number of autosomes is forty-four.

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