In which plant was the lethal gene first observed?

Match the Column-$I$ with Column-$II$:

Column-$I$	Column-$II$
$(a)$ Pleiotropic gene	$(i)$ Both alleles express equally
$(b)$ Co-dominance	$(ii)$ Change in nucleotide
$(c)$ Epistasis	$(iii)$ One gene shows multiple phenotypic expression
$(d)$ Mutation	$(iv)$ Non-allelic gene interaction

How many sentences are correct?
$(i)$ Every gene contains the information to express a particular trait.
$(ii)$ Gene responsible for $\beta$-thalassemia is present on the $11^{th}$ pair of autosomal chromosomes.
$(iii)$ Mendel's approach of using mathematics to explain biological phenomena was totally new and unacceptable to many of the biologists of his time.

Male pattern baldness is a/an..... trait.

Which of the following is a dominant trait?

In a complementary gene interaction,calculate the number of phenotypes and genotypes produced in a cross $AaBb \times aaBB$.