X and Y chromosomes X and Y chromosomes is the chromosomes which determine sex. In most species, including Homo sapiens, females have two x chromosomes and male’s one x and one y.
Extrachromosomal genetic element Extrachromosomal genetic element is a genetic element, called o a plasmid that is capable of autonomous replication in the cytoplasm of the
Chromosme Chromosme is a gene-containing filamentous structure in a cell nucleus; the number of chromosomes per cell nucleus is constant for each
Chromosomes The one-cell entity established at conception contains 23 pairs of chromosomes, rod-shaped structures that contain all basic hereditary
Definition
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