Question

The whole collection of chromosome in a nucleus is called as

• A. Chromosome
• B. Chromosome complement
• C. Karyotype
• D. Idiogram

Answer 1

Answer: (B)

Chromosome complement

Chromosomes are a thread like structure which consists of DNA and proteins. The total number of chromosomes in the nucleus of a cell is known as chromosome complement.

Karyotype provides a description of various aspects of the chromosomes of a chromosome complement like the number, relative size, the position of the centromere, the length of arms and centromeric ration, secondary constrictions and satellites etc.

The idiogram is a karyotype consisting of photograph or diagram of all the metaphasic chromosomes arranged in homologous pairs according to their decreasing length or size or some other characteristic.

So, the correct answer is option B.