Incorrect Match of Genetic Syndromes
Which of the following pair is not correctly matched-
- Turner syndrome: $44 + X 0$
- Klinefelter syndrome: $44 + XXY$
- Down syndrome: Trisomy 21
- Cat cry syndrome: Trisomy 5 — Correct Answer
Explanation:
Correct Answer (NOT correctly matched): Cat cry syndrome — Trisomy 5
Cat cry syndrome is caused by terminal deletion of the short arm of the 5th chromosome — NOT trisomy 5. All other options are correctly matched.
Chromosomal Abnormalities — Complete Table
| Syndrome | Chromosomal Condition | Correct? |
|---|---|---|
| Turner syndrome | 45 (44 + XO) | ✓ Correct |
| Klinefelter syndrome | 47 (44 + XXY) | ✓ Correct |
| Down syndrome | Trisomy 21 | ✓ Correct |
| Cat cry (Cri-du-chat) syndrome | Terminal deletion of short arm of 5th chromosome (NOT trisomy 5) | ✗ Incorrectly stated |
Autosomal Abnormalities in Human
| Syndrome | Condition |
|---|---|
| Patau syndrome | Trisomy of 13th chromosome |
| Edward syndrome | Trisomy of 18th chromosome |
| Down syndrome | Trisomy of 21st chromosome |
| Cat cry syndrome | Terminal deletion of short arm of 5th chromosome |
📚 About this Topic — Animal Genetics & Breeding
This multiple choice question is from Animal Genetics & Breeding, Animal Refresher. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Genetics & Breeding to strengthen your preparation.
