Answer: Three bases on mRNA that code for one amino acid.
- A Three bases on tRNA that recognize the anticodon
- B Three bases on mRNA that code for one amino acid
- C One base on mRNA marking the start of translation
- D A sequence on DNA recognized by RNA polymerase
Correct answer: B. Three bases on mRNA that code for one amino acid
Explanation: A codon is a triplet of bases on mRNA that codes for a specific amino acid (or start/stop signal).
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.
Read the full Principles of Inheritance and Variation notes →