Column A 1. Useful for studying closely related species: Useful for studying closely related species 2. Model that uses mutation rates to measure evolutionary time: Model that uses mutation rates to measure evolutionary time 3. Useful for studying species in different kingdoms or phyla: Useful for studying species in different kingdoms or phyla Column B a. molecular clock b. ribosomal RNA c. mitochondrial DNA

answer; the correct answer is (beta)

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).