In $Pisum$ $sativum$,there are $14$ chromosomes. How many pairs with different chromosomal composition can be prepared?

Mendel found that reciprocal crosses yielded identical results. From that,he concluded that

The segregation of paired hereditary factors that Mendel postulated occurs during

Define the following terms: $Genes$ and $Alleles$.

The first "geneticist" was

Mendel's work remained unrecognized for a long time due to:
$I.$ Communication was not easy.
$II.$ The concept of factors which did not blend was not accepted.
$III.$ The use of mathematics to explain biological problems was unacceptable.
$IV.$ He could not provide any physical proof for the existence of factors.
Choose the right combination.