Homologous chromosomes are two chromosomes of the same type, which are the same size and shape and have the same genes. The paired autosomes are numbered 1 through 22 in order of size, chromosome 1 being the longest and 22 the shortest. A picture called a karyogram is often used to display a set of chromosomes. In a karyogram, homologous chromosomes are placed next to each other. For example, both copies of chromosome 1 are put side by side.
Related category• GENETICS AND HEREDITY
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