Answer :
If purple flowers are dominant over white flowers, the only way two purple-flowered plants could produce white flowers is if the purple plants were heterozygous. One in every four of their offspring will have white flowers.
Gregor Mendel discovered the fundamental rules of inheritance while working on pea plants. He deduced that genes are inherited in pairs and as distinct units, one of each parent. Mendel studied the segregation of parental genes and how they manifested in offspring as dominant or recessive traits.
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