The answer is autotrophs Hope this helps :)
Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits.
The two methods used by breeders to increase the rate of mutation is radiation and chemicals.
The homologous chromosomes pair with each other!