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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
What is gene pool?
Who had proposed the chromosomal theory of inheritance?
Describe the structure of chromosomes with a suitable diagram.
Classify the chromosomes on the basis of position of centromere.
Distinguish between X and Y chromosomes.
Define the Homologous chromosomes
Short Answer Question.
Explain the chromosomal theory of inheritance.
Explain codominance in colour coat in cattle with checker board method.
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 |
Read the following statements regarding 'X and Y' chromosomes and select the correct option.
P - Due to presence of large amount of euchrornatin X chromosome is genetically more active.
Q - Due to presence of small amount of heterochromatin Y chromosome is genetically more active.
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.
At secondary constriction I, ______ becomes organized during interphase.
Extranuclear inheritance occurs in ______.
How many types of gametes would be produced if the genotype of a parent is AaBB?
There was a mix-up at the hospital after a fire accident in the nursery division. Which of these children belong to the parents?
What do you mean by locus?
Who postulated the 'Chromosomal theory of inheritance'?
How do genes and chromosomes share similarity from the point of view of genetical studies?
Which of the following is sex chromosomal disorder?
