AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

THE HUMAN GENOME

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Photograph of chromosomes grouped in ordered pairs is called a ____
A
pedigree
B
Punnett Square
C
Venn Diagram
D
Karyotype
Explanation: 

Detailed explanation-1: -Karyotype. A karyotype is a photograph of chromosomes grouped in order in pairs. Karyotyping is a test to examine chromosomes in a cell, which can help identify genetic problems as the cause of a disorder or disease.

Detailed explanation-2: -The rule of karyotyping is to arrange 22 autosomes following the size and sex chromosomes, X and Y, at the end. Chromosomes are classified into seven groups, A to G, by the length and centromere position.

Detailed explanation-3: -A karyotype is an arrangement of chromosomes from a cell based on their shape, size, and position of their centromeres.

Detailed explanation-4: -A karyotype is a visual representation of the number and structure of all the chromosomes and provides a low-resolution genome-wide screen for chromosomal variants.

There is 1 question to complete.