What is another name for homologous chromosomes?
In metaphase I of meiosis I, the pairs of homologous chromosomes, also known as bivalents or tetrads, line up in a random order along the metaphase plate. The random orientation is another way for cells to introduce genetic variation.
Are homozygous and homologous the same?
Homozygous individuals will have the same colour allele on a homologous pair of chromosomes, either RR or rr, and Heterozygous individuals will hold different alleles on a homologous pair of chromosomes like Rr.
What do you mean by homologous chromosomes?
Homologous chromosomes: A pair of chromosomes that contain the same gene sequences, each derived from one parent.
What does homologous mean biology?
1a : having the same relative position, value, or structure: such as. (1) biology : exhibiting biological homology. (2) biology : having the same or allelic genes with genetic loci usually arranged in the same order homologous chromosomes.
How are homologs similar to and different from each other?
Homolog refers to the members of a chromosome pair. Homologs are usually the same size and carry the same types and order of genes. They may differ in that the genes they carry may be different alleles. … They are genetically identical, barring rare mutations and crossing over with homologous chromosomes.