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Question
What are genes?
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Solution
Gene is a structural and functional unit of heredity and variations. Genes are specific sequences
of nucleotides on a chromosome that encode particular proteins which express in the form of
some particular feature of the body. In other words, gene is the DNA segment of the
chromosome and it controls the expression of characteristics
RELATED QUESTIONS
Synthesis phase in the cell cycle is called so, because of the synthesis of more:
A. RNA
B. RNA and proteins
C. DNA
D. Glucose
State the exact location of the Centromere
State the difference between:
Chromosome and chromatid:
Choose the correct answer:
Centromere is related to ________
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
Write a sentence of the following:
Centromere
Choose the correct answer:
The term 'chromosome' was coined by ___________
Differentiate between
Cytokinesis in plant and animal cell
Explain the Term Spindle
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
State the Location: Polytene chromosome
Name the following:
Pairs of chromosomes, present in human egg cells.
Name the following:
Pair of genes responsible for a particular characteristic.
Write the functional activity of the following structure:
Chromosomes
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. |
With the help of a neat labelled diagram, describe the structure of chromosome.
What' does 'P' and 'Q' represent in the following diagram of X and Y chromosomes? Select the correct option representing, its appropriate description.
After a mitotic cell division, a human female cell will have ______.
