In humans, females have the ______ set of sex chromosomes.
XX
Human somatic cells contain 23 pairs of chromosomes: 22 pairs of autosomes and one pair of sex chromosomes. The sex chromosomes determine biological sex at fertilisation.
A human female inherits one X chromosome from each parent, giving her the homogametic pair XX. A human male has one X and one Y chromosome (XY) and is heterogametic. YY and YYX combinations do not occur as normal human genotypes. Hence, XX.
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Important Questions from Genetics and Evolution
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Which base of a codon is called wobble base?
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Pair of genes that occupy a specific location on a particular chromosome and control the same trait is termed as _________.
