Aneuploidy which results in loss of a complete homologous pair of chromosomes is

Asneuploidy which results in the loss of a complete homologous pair of chromosomes is

Read the following text and answer the following questions on the basis of the same: Mutation is sudden, discontinuous variation in genotype of an organism due to a change in its chromosomes and genes. Variation in DNA is a result of mutation. It is of three types : Gene mutation, chromosomal aberrations and gametic mutation. Gametic mutation is a change in chromosome number that brings effect on the phenotype, it is of two type - aneuploidy and euploidy. Mutation can be artificially produced by certain agents called mutagen. There are two major types of mutagens: physical and chemical mutagen. Aneuploidy which occurs due to loss of a complete homologous pair of chromosomes is :

Describe homologous pairs of chromosomes.

The members of a homologous pair of chromosomes

The members of a homologous pair of chromosomes

The members of a homologous pair of chromosomes

Loss of one homologous pair of chromosomes is called ______.

A pair of homologous chromosomes