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प्रश्न
Distinguish between X and Y chromosomes.
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उत्तर
| X chromosome | Y chromosome |
| It is found in both male and female | It is found in males only. |
| It is responsible for X linked characters. | It is responsible for Y linked character. |
| Chromosome appear X shaped as they are metacentric | Chromosome appear Y shaped as they are acrocentric |
| Non-homologous parts show less genes. | Non-homologous parts show more genes. |
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संबंधित प्रश्न
If centromere is situated in the middle of the chromosome, it is called ________.
(a) Metacentric
(b) Acrocentric
(c) Submetacentric
(d) Telocentric
Classify the chromosomes on the basis of position of centromere.
Mention the name of man-made cereal. How it is formed?
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 ____________.
From the following identify the INCORRECT statement/s with respect to the chromosomes.
i. Chromosomes are capable of self replication and play vital role in heredity, mutation, variation, and evolutionary development of eukaryotic species.
ii. Chromosomes are visible during cell division.
iii. Chemically eukaryotic chromosomes are made of mRNA, histone and non-histone proteins.
iv. The number of chromosomes varies within the population of a particular species.
Chromosomal theory of inheritance was put forth by ______
Extranuclear inheritance is a consequence of presence of genes in ______.
What do you mean by locus?
In what year did Walter Sutton publish the formal paper "The Chromosomes in Heredity" that linked Mendel's laws to chromosome behaviour?
