What is the term used to describe the first 22 pairs of chromosomes in humans?

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Study for the UCF DEP2004 Developmental Psychology Test. Use flashcards and multiple choice questions with explanations to prepare for your exam. Ensure success on test day!

The first 22 pairs of chromosomes in humans are referred to as autosomes. Autosomes are responsible for the majority of an individual's genetic traits and characteristics, as they contain genes that dictate various physical and functional attributes. Unlike sex chromosomes, which determine an individual's sex (the X and Y chromosomes), autosomes do not carry information related specifically to sexual differentiation. Therefore, understanding the role of autosomes is crucial when discussing inheritance and genetic traits.

This distinction is important in genetics, as it provides clarity on how traits are inherited and expressed in humans. The recognition of the first 22 pairs as autosomes helps to differentiate these from sex chromosomes, which are unique in their role and composition.