If the genotype of an individual consists of only one type of alleles at the same locus,it is called:

Statement-$1$: Alleles are slightly different forms of the same gene.
Statement-$2$: The segregation of alleles is a random process and so there is $50$ percent chance of a gamete containing either allele.

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

$A$ gene is said to be dominant,if

Which of the following statements is correct?

The dwarfness in plants of $F_2$ generation is