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प्रश्न
Write a sentence of the following:
Centromere
उत्तर
Centromere - A constriction in the chromosome is called centromere.
APPEARS IN
संबंधित प्रश्न
State the exact location of the Centromere
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.
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
Mention whether the following statement is (T) Or (F). Give reason in support of your answer.
The unfertilized human egg has half the number of chromosomes of the body cells.
Write a sentence of the following:
Telomere
Choose the correct answer:
The term 'chromosome' was coined by ___________
Choose the correct answer:
Telocentric chromosomes are _________________
State how does meiosis maintains chromosome number in a species.
Give Technical Terms
The phase of meiosis at which homologous chromosomes are separated.
Complete the following sentence with appropriate word :
The spindle fibers are made of _______.
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
Write the functional activity of the following structure:
Spindle fibers
Name the following:
The pattern of arrangement of genes along a chromosome.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
In humans, the sex chromosome complement is
Small swellings on the surface of the chromosome are called______.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
