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प्रश्न
Define the following term:
Chromatid
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उत्तर
After duplication, a chromosome has two identical sections. A chromosome is formed during cell division by the union of two chromatids.
संबंधित प्रश्न
State the exact location of the Centromere
Correct the following statement if there is any mistake:
Genes are specific sequences of bases on a chromosome .
What are genes?
Expand the following biological abbreviations :
DNA
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ____________
Enumerate the various changes that occur in the nucleus of the cell during prophase.
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
Explain the Term Centrioles
Name the following:
Microtubules form the bipolar spindle in which stage.
Name the following:
The part of the cell associated with heredity.
Give Technical Terms
The stage at which chromosomes occurs reach the opposite poles.
Complete the following sentence with appropriate word :
Chromosomes are _________ material.
Multiple Choice Question:
How many chromosomes are found in a cell of humans?
Name the following:
Pair of genes responsible for a particular characteristic.
Multiple Choice Question
Chromosomal aberrations are caused by:
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. |
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
The chromosomes are duplicated in ______.
