Question:medium

Mention the symptoms of Phenylketonuria and Down’s Syndrome.

Show Hint

Remember: PKU → Metabolic defect; Down’s → Chromosome 21 trisomy.

Updated On: Mar 18, 2026

Show Solution

Solution and Explanation

Was this answer helpful?

0

Top Questions on Genetics and Evolution

Darwin’s finches and Australian marsupials are suitable examples of adaptive radiation – justify the statement.
- TN HSE+2 (Class XII) - 2026
- Zoology
- Genetics and Evolution
View Solution
Explain the experimental proof of DNA replication by Meselson and Stahl.
- TN HSE+2 (Class XII) - 2026
- Zoology
- Genetics and Evolution
View Solution
What are the three structural differences between RNA and DNA?
- TN HSE+2 (Class XII) - 2026
- Zoology
- Genetics and Evolution
View Solution
Why are sex linked recessive characters more common in the male human beings?
- TN HSE+2 (Class XII) - 2026
- Zoology
- Genetics and Evolution
View Solution
Want to practice more? Try solving extra ecology questions todayView All Questions

Questions Asked in TN HSE+2 (Class XII) exam

Write notes on: Soft Commodities market.

TN HSE+2 (Class XII) - 2026
Financial Markets

“Alien species invasion is a threat to endemic species” – Substantiate this statement.

TN HSE+2 (Class XII) - 2026
Ecology and Environment

What are recombinant vaccines? Explain their types.

TN HSE+2 (Class XII) - 2026
Applied Biology

Write a note on Protozoan diseases.

TN HSE+2 (Class XII) - 2026
Immunology