State whether the following statements are true or false. Correct the

1.	State whether the following statements are true or false. Correct the false statement:1. During gamete formation, in Pj generation the pair of gametes separate independently.2. Down syndrome is caused due to monosomy of X chromosome.3. In Klinefelter syndrome, women are sterile.4. If the father and mother are both sufferers or carriers of sickle-cell anaemia, their off springs are likely to suffer from this disease.5. During fertilization, mitochondria is contributed by the sperm cell and egg cell(ovum).
Answer» 1. True 2. False. Down syndrome is caused due to trisomy of 21^st chromosome. 3. False. In Klinefelter syndrome, men are sterile as this disorder arises in men due to abnormality in sex chromosome. 4. True 5. False. During fertilization, mitochondria is contributed by the egg cell (ovum) alone.

State whether the following statements are true or false. Correct the false statement:1. During gamete formation, in Pj generation the pair of gametes separate independently.2. Down syndrome is caused due to monosomy of X chromosome.3. In Klinefelter syndrome, women are sterile.4. If the father and mother are both sufferers or carriers of sickle-cell anaemia, their off springs are likely to suffer from this disease.5. During fertilization, mitochondria is contributed by the sperm cell and egg cell(ovum).

Answer»

1. True

2. False. Down syndrome is caused due to trisomy of 21^st chromosome.

3. False. In Klinefelter syndrome, men are sterile as this disorder arises in men due to abnormality in sex chromosome.

4. True

5. False. During fertilization, mitochondria is contributed by the egg cell (ovum) alone.