Advertisements
Advertisements
Question
Write the functional activity of the following structure:
Chromosomes
Solution
Carry genetic information from parents to offspring.
APPEARS IN
RELATED QUESTIONS
Fill in the blank
The _______ (s) are surrounded by radiating rays called aster
State the difference between:
Chromosome and chromatid:
Choose the correct answer:
Chromosomes appear at equator in ____________
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
Write a sentence of the following:
Sheath
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
Why gametes have a haploid number of chromosomes?
Draw a duplicate chromosome and label its part.
State the Location: Polytene chromosome
Name the following:
The diploid number for cell of man.
Multiple Choice Question
Chromosomal aberrations are caused by:
Nullisomy is represented by ______.
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
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 |
Read the following statements and select the correct option.
Statement I: The densely packed transcriptionally active, light staining region of chromatin is known as 'Heterochromatin'.
Statement II: The loosely packed, dark staining transcriptionally inactive region of chromatin is known as 'Euchromatin'.
Generally, the recessive character is expressed only when present in a double recessive condition i.e. homozygous condition. However, a single recessive gene can express itself in human beings when the gene is present on ______
Normally, genes occur in a pair of chromosome, but genes of X and Y chromosomes shows different gene loci indicating ______.
Small swellings on the surface of the chromosome are called______.
