Gregor Mendel was born in which century?

An organism with two identical alleles for a given trait is:

In genetics,the use of a checkerboard was introduced by

With reference to the Mendelian experiments,which one of the following statements is $INCORRECT$?

Based on Mendel's experiments,explain the concepts of factors,dominant/recessive traits,genotype,and phenotype.

Statement-$I$: The segregation of alleles is a random process and so there is a $50\%$ chance of a gamete containing either allele.
Statement-$II$: Alleles do not show any blending at either $F_1$ or $F_2$ generation.