Answer: prepare genetic maps of chromosomes.
- A determine the charge on the DNA
- B prepare genetic maps of chromosomes
- C count the number of chromosomes
- D measure the overall mutation rate
Correct answer: B. prepare genetic maps of chromosomes
Explanation: Sturtevant showed that recombination frequency reflects the distance between linked genes and used it to construct the first genetic maps.
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 →