Advertisements
Advertisements
प्रश्न
State the difference between meiocyte and gamete with respect to chromosome number.
Advertisements
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
What is gene pool?
Define the term ‘genome’.
Sketch and label the structure of chromosome.
Explain the types of chromosomes on the basis of position of centromere.
Name the type of cell division involved in the production of sperms by honey bees.
Describe the structure of chromosomes with a suitable diagram.
Write the salient features of the Sutton and Boveri concept.
When two different genes came from the same parent they tend to remain together.
Write the observed phenotypic ratio.
Telocentric chromosome differs from acrocentric chromosome in that ____________.
From the following identify the statements that are CORRECT with respect to homologous and non-homologous region of X and Y chromosomes.
i. Non-homologous region of X chromosome is longer and contains more genes than that of non-homologous region of Y chromosome.
ii. X-linked genes are present on nonhomologous region of X-chromosome.
iii. Y-linked genes are present on homologous region of Y-chromosome.
iv. Crossing over occurs only between homologous regions of X and Y chromosomes.
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 do you mean by locus?
Experimental verification of the chromosomal theory of inheritance was done by ______.
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
In a karyotype analysis, X and Y chromosomes represent sex chromosomes.
Name the scientist who discovered the X chromosome.
Which chromosome in the human genome has the highest number of genes?
