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प्रश्न
State the difference between meiocyte and gamete with respect to chromosome number.
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उत्तर
A meiocyte is a diploid (2n) cell containing two sets of chromosomes, while a gamete is a haploid (n) cell containing only one set of chromosomes. Thus, meiocytes have double the chromosome number compared to gametes.
संबंधित प्रश्न
If centromere is situated in the middle of the chromosome, it is called ________.
(a) Metacentric
(b) Acrocentric
(c) Submetacentric
(d) Telocentric
Sketch and label the structure of chromosome.
How many chromosomes do drones of honey bees possess?
An allohexaploidy contains
The A and B genes are 10 cm apart on a chromosome. If an AB/ab heterozygote is test crossed to ab/ab, how many of each progeny class would you expect out of 100 total progeny?
Genes G S L H are located on the same chromosome. The recombination percentage is between L and G is 15%, S and L is 50%, H and S are 20%. The correct order of genes is
Changing the codon AGC to AGA represents
Identify the scientists who proposed chromosomal theory of inheritance.
Match the column I (Type of chromosome) with column II (name of chromosome).
| Type of chromosome | Name of chromosome | ||
| i. |  |
P. | Acrocentric |
| ii. |  |
Q. | Telocentric |
| iii. |  |
R. | Metacentric |
| iv. |  |
S. | Sub-metacentric |
Telocentric chromosome differs from acrocentric chromosome in that ____________.
Extranuclear inheritance is a consequence of presence of genes in ______.
How many types of gametes would be produced if the genotype of a parent is AaBB?
Which of the following statements indicates parallelism in genes and chromosomes?
- They occur in pairs.
- They segregate during gamete formation.
- They show linkage.
- Independent pairs segregate independently.
What are minisatellites?
How do genes and chromosomes share similarity from the point of view of genetical studies?
Which of the following sentences are correct?
1. The offspring exhibit only parental combinations due to incomplete linkage
2. The linked genes exhibit some crossing over in complete linkage
3. The separation of two linked genes are possible in incomplete linkage
4. Crossing over is absent in complete linkage
Which of the following is sex chromosomal disorder?
In a karyotype analysis, X and Y chromosomes represent sex chromosomes.
Name the scientist who discovered the X chromosome.
According to the Chromosomal Theory of Inheritance, what are the specific positions on chromosomes where genes are located called?
According to the Chromosomal Theory of Inheritance, chromosomes serve which fundamental role in heredity?
