Which pair of sex chromosomes is found in a normal male mammal?
In normal male mammals, the pair of sex chromosomes is XY, with the X chromosome inherited from the mother and the Y from the father. This combination determines male characteristics in species such as humans, dogs, and cats. Understanding these basic genetics is key to studying mammalian biology.
In mammals, sex determination is primarily based on the presence of specific sex chromosomes. A normal male mammal possesses the sex chromosome pair XY. The X chromosome is inherited from the mother, while the Y chromosome comes from the father. This XY combination is responsible for male characteristics, while the XX combination typically defines a female mammal.
In contrast, variations or abnormalities in these chromosomes can lead to different conditions, but a typical male will always show the XY pairing.
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