Question
Mention characteristic features of mitosis.
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| Column I | Column II | ||
| 1 | β (beta) cells of islets of Langerhans | a | condition due to undersecretion of thyroxine in adults |
| 2 | Thyroid | b | Glucocorticoids |
| 3 | Cretinism | c | Exophthalmic goitre |
| 4 | Addison's disease | d | Increases heart beat |
| 5 | Hypothyroidism | e | Thyroxine |
| 6 | Myxoedema | f | Adrenal cortex |
| 7 | Adrenaline Under secretion of thyroxine in a child | h | Under secretion of thyroxine in a child |

| Column I | Column II |
| Genetics | Study of laws of inheritance of characters |
| Autosomes | Chromosomes are other than the pair of sex chromosomes. |
| Recessive gene | A gene that can express only when in a similar pair. |
| Allele | The alternative forms of a gene. |
| Homologous chromosomes | Chromosomes are similar in size and shape. |
