How many chromosomes are shown in a normal human karyotype?
A normal human karyotype typically consists of 46 chromosomes
A normal human karyotype typically consists of 46 chromosomes. These chromosomes are organized into 23 pairs, known as homologous pairs. Out of these 23 pairs, 22 pairs are called autosomes and are responsible for determining traits and characteristics, while the remaining pair consists of sex chromosomes (X and Y chromosomes), which determine an individual’s biological sex.
Each homologous pair contains one chromosome inherited from the mother and one from the father. Thus, we have a total of 46 chromosomes in a normal human karyotype – two copies of each chromosome (except for the sex chromosomes) – which are essential for the proper functioning and development of an individual.
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