Advertisements
Advertisements
प्रश्न
What are chromosomes?
उत्तर
Chromosomes are highly condensed coiled chromatic fibres made of DNA which carries the hereditary material of the organisms.
APPEARS IN
संबंधित प्रश्न
State the exact location of the Centromere
The Chromatin material is formed forms of ______.
Correct the following statement if there is any mistake:
Genes are specific sequences of bases on a chromosome .
Given below is a schematic diagram of a portion of DNA.
- How many strands are shown in the diagram?
- How many nucleotides have been shown in each strand?
- Name the parts numbered 1, 2, 3, 4 and 5 respectively.
- Name the DNA unit constituted by the parts 1, 2, 3 collectively.
Choose the correct answer:
Chromosome number of man is _____________
Choose the correct answer:
Sex of an individual is determined by ____________
How does colchicine act as mitotic poison? Is there any advantage of it?
State how does meiosis maintains chromosome number in a species.
Differentiate between
Chromatin and Chromosome.
Identify the stages of meiosven below and label them.
Duplicated chromosomes are joined at a point termed ______.
Name the following:
The number of chromosomes present in human gametes.
Compare X chromosome and Y chromosome.
The loss of one or more chromosomes in ploidy is called ______.
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
Define the following term:
Chromatid
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
