The genetic code is nearly universal. That is, with few exceptions, the same codons code for the same amino acids in all organisms What does the near universality of the
genetic code suggest?
A. All life-forms can reproduce with one another.
B. All life-forms have the same number of genes
C. All life-forms have a common evolutionary ancestor.
D. All life-forms arose about the same time in Earth's history

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).