Answer: Uracil instead of thymine; ribose sugar.
- A Thymine instead of uracil, like DNA
- B Deoxyribose instead of ribose as its sugar
- C Uracil instead of thymine; ribose sugar
- D A stable double-stranded helical structure
Correct answer: C. Uracil instead of thymine; ribose sugar
Explanation: RNA: ribose sugar (not deoxyribose); uracil (not thymine); usually single-stranded.
Punnett square for a monohybrid cross between two heterozygous (Tt) parents, showing the 3:1 phenotypic ratio predicted by Mendel's Law of Segregation.
Concept context
Mendel's laws, inheritance patterns, DNA structure, and molecular biology. Core of NEET biology.
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