Homologous chromosome - Wikipedia, the free encyclopedia
Homologous chromosomes are chromosomes in a biological cell that pair (synapse) during cell division during the creation of gametes (meiosis). Each chromosome pair contains genes for the same biologi...
en.wikipedia.org/wiki/Homologous_chromosome
1. A pair of chromosomes made up of two homologs. Homologous chromosomes have corresponding DNA sequences and come from separate parents; one homolog comes from the mother and the other comes from the father. Homologous chromosomes line up and synapse during meiosis.
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noun, plural: homologous chromosomes ... A human cell contains 23 pairs of homologous chromosomes: 22 of them are homologous non-sex chromosomes (or autosomes) and 1 homologous pair of sex chromosomes. In females, the homologous sex chromosomes are 2 X’s;
www.biology-online.org/dictionary/Homologous_chromosome www.biology-online.org/dictionary/Homologous_chromosome
Definition and other additional information on Homologous chromosomes from Biology-Online.org dictionary. ... A human cell contains 23 pairs of homologous chromosomes: 22 of them are homologous non-sex chromosomes (or autosomes) and 1 homologous pair of sex chromosomes. In females, the homologous sex chromosomes are 2 X’s;
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These occur as homologous pairs, one member of each pair having been acquired from the gamete of one of the two parents of the individual whose cells are being examined. ... The karyotype of the human female contains 23 pairs of homologous chromosomes:
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Look alike and carry genes for the same traits ... Each chromosome in a pair is derived from one of the haploid gametes ... During fertilization the diploid number is restored in the zygote...
pollen.utulsa.edu/Cell-Biology/Meiosis/tsld006.htm
The images below illustrate a homologous pair of chromosomes before (on the left) and after (on the right) crossing over has occurred ... Cells which have two copies of a gene, on a pair of homologous chromosomes...
www.ksu.edu/biology/pob/genetics/defin.htm
Homologous chromosomes: A pair of chromosomes containing the same gene sequences, each derived from one parent. ... Last Editorial Review: 3/26/1998 2:25:00 PM ... home > homologous chromosomes definition...
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Sci-Tech Dictionary: homologous chromosomes ... Biology Q&A: What are homologous chromosomes? ... Homologous chromosomes are similar in length, except for sex chromosomes in several taxa, where the X chromosome is considerably larger than the Y chromosome. These chromosomes share only small regions of homology.
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