Table of Contents
What do you mean by homologous?
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.
What is a homologous chromosome pair?
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.
What is homologous series biology?
In chemistry, homologous pertains to a series of molecules or compounds that differ by a constant increment. For instance, alkanes are a homologous series of hydrocarbons: methane, ethane, propane, and so on. They have similar chemical properties that follow a trend.
What is a homologous line?
You’ll also find homologous in math, like when two triangles share a line. Definitions of homologous. adjective. corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species.
What is homologous give example?
The arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale are homologous structures. They are different and have a different purpose, but they are similar and share common traits. The tailbone of a human being and the tail of a monkey are examples of homology.
What is an example of a homologous chromosome?
During sexual reproduction, one chromosome in each homologous pair is donated from the mother and the other from the father. In a karyotype, there are 22 pairs of autosomes or non-sex chromosomes and one pair of sex chromosomes. The sex chromosomes in both males (X and Y) and females (X and X) are homologs.