Advertisements
Advertisements
Question
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
Solution
An inheritable change in the amount or the structure of a gene or a chromosome is called Mutation.
APPEARS IN
RELATED QUESTIONS
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.
Answer the following question in your own words.
What is meant by ‘chromosome’?
Choose the correct answer:
Telocentric chromosomes are _________________
Give a reason for the following:
Gametes must be produced by meiosis for sexual reproduction.
Give Technical Terms
The stage at which synapsis in chromosomes to form bivalents.
Give Reason:
The Law of independent assortment holds good for the gene pairs that occur in different pairs of chromosomes.
Match the following.
| 1. Autosomes | - | Trisomy 21 |
| 2. Diploid condition | - | 9 : 3 : 3 : 1 |
| 3. Allosome | - | 22 pair of chromosome |
| 4. Down’s syndrome | - | 2n |
| 5. Dihybrid ratio | - | 23rd pair of chromosome |
The chromosomes are duplicated in ______.
