AP BIOLOGY

Detailed explanation-1: -Each chromosome has a distinct banding pattern, and each band is numbered to help identify a particular region of a chromosome. This method of mapping a gene to a particular band of the chromosome is called cytogenetic mapping.

Detailed explanation-2: -There are several different types of chromosome banding which include G-banding, Q-banding, C-banding, and R-banding. G-banding uses a stain called a Giemsa stain and this stain results in a striped pattern on the chromosomes.

Detailed explanation-3: -DNA, genes and chromosomes work together to make you who you are. Chromosomes carry DNA in cells. DNA is responsible for building and maintaining your human structure. Genes are segments of your DNA, which give you physical characteristics that make you unique.

Detailed explanation-4: -The different types of banding are G-banding, reverse-banding, C-banding, Q-banding, NOR-banding, and T-banding. Giemsa stain is used in G-banding whereas quinacrine is used in Q-banding.

Detailed explanation-5: -Geneticists use maps to describe the location of a particular gene on a chromosome. One type of map uses the cytogenetic location to describe a gene’s position. The cytogenetic location is based on a distinctive pattern of bands created when chromosomes are stained with certain chemicals.