Advertisements
Advertisements
प्रश्न
Chromosome number in humans is ______.
विकल्प
46
23
64
45
Advertisements
उत्तर
Chromosome number in humans is 46.
Explanation:
APPEARS IN
संबंधित प्रश्न
The term “chromosomes” literally means ______.
Correct the following statement if there is any mistake:
Genes are specific sequences of bases on a chromosome .
Correct the following statement if there is any mistake:
If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase.
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.
“First meiotic division is the reduction division” what does the word ‘reduction’ refer to in this statement?
Choose the correct answer:
Centromere is related to ________
Choose the correct answer:
Chromosomes are thin and thread like at __________
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
What is the importance of meiosis in creating variations?
Name the following:
The part of the cell associated with heredity.
Multiple Choice Question:
How many chromosomes are found in a cell of humans?
State the Location: Polytene chromosome
Name the following:
Pair of genes responsible for a particular characteristic.
Write the functional activity of the following structure:
Chromosomes
Give the example of X- monosomy you have studied.
Describe the structure of sex chromosomes with the help of labelled diagram.
Identify the TRUE statements with respect to aneuploidy.
- When the chromosome number is not the exact multiple of the haploid set, it is described as aneuploidy.
- Aneuploidy is only addition of one or more chromosome(s) to the total number of chromosomes in a cell.
- Aneuploidy is further classified as hypoploidy and hyperploidy.
Rewrite the correct form of the statement by changing the first or last word only:
Duplicated chromosomes remain attached at a point termed as centrosome.
Aneuploidy refers to ______.
