1. | XO type of sex chromosomes determines male sex in grasshopper |
2. | XO condition in humans as found in Turner syndrome, determines female sex |
3. | Homozygous sex chromosomes (XX) produce males in Drosophila |
4. | Homozygous sex chromosomes (ZZ) determine the female sex in birds. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe probability of four sons to a couple is:
1. | 1/4 | 2. | 1/8 |
3. | 1/16 | 4. | 1/32 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology