A virus adapts to new surroundings by manufacturing proteins when it needs them. This indicates that gene expression is — A. both a regulated process and unregulated process.
B. always a regulated process.
C. always an unregulated process.
D. a semiregulated process for the majority of time.

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).