Homologous Chromosomes
Key Terms:
homologous chromosomes - a pair of chromosomes that are similar in length, genes, and loci; usually composed of one maternal chromosome and one paternal chromosome
homologs - synonym of homologous chromosomes
segregation - the process of separating alleles during meiosis
crossing over - the process of exchanging genetic material between paired homologous chromosomes
translocation - chromosomal defect caused by the pairing of nonhomologous chromosomes during crossing over
aneuploidy - a condition of having an irregular number of chromosomes
monosomy - a type of aneuploidy; a condition of having one chromosome
trisomy - a type of aneuploidy; a condition of having three chromosomes
homologous chromosomes - a pair of chromosomes that are similar in length, genes, and loci; usually composed of one maternal chromosome and one paternal chromosome
homologs - synonym of homologous chromosomes
segregation - the process of separating alleles during meiosis
crossing over - the process of exchanging genetic material between paired homologous chromosomes
translocation - chromosomal defect caused by the pairing of nonhomologous chromosomes during crossing over
aneuploidy - a condition of having an irregular number of chromosomes
monosomy - a type of aneuploidy; a condition of having one chromosome
trisomy - a type of aneuploidy; a condition of having three chromosomes