Question
Distinguish between
Compare X-chromosome and Y-chromosome.
Compare X-chromosome and Y-chromosome.
| X-chromosome | Y-chromosome |
| 1. X-chromosome is straight, rod like and longer 1. than Y chromosome. It is metacentric. | 1. Y-chromosome is shorter chromosome which is acrocentric. |
| 2. X-chromosome has large amount of euchromatin and small amount of heterochromatin. | 2. Y-chromosome has small amount of euchromatin and large amount of heterochromatin. |
| 3. X-chromosome has large amount of DNA, hence it is genetically active due to more genes. | 3. Y-chromosome has less amount of DNA, hence it is genetically less active or inert due to lesser genes. |
| 4. Non-homologous region of X-chromosome is longer and contains more genes. | 4. Non-homologous region of Y-chromosome is shorter and contains lesser genes. |
| 5. Contains X-linked genes on non-homologous region. | 5. Contains Y-linked genes on non-homologous region. |
| 6. X-chromosome is present in men as well as women. | 6. Y-chromosome is present only in men. |
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| Name of the Disease | Causative organism | Symptoms | |
| i. | Ascariasis | Ascaris | ________ |
| ii. | ________ | Trichophyton | Appearance of dry, scaly lesions on various parts of the body. |
| iii. | Typhoid | ________ | High fever, weakness, headache, stomach pain, constipation. |
| iv. | Pneumonia | Streptococcus pneumoniae | ________ |
| v. | ________ | Rhino viruses | Nasal congestion and discharge, sorethroat, cough, headache. |
| vi. | Filariasis | ________ | Inflammation in lower limbs. |