When Gregor Mendel crossed true-breeding tall plants (TT) with true-breeding short plants (tt), all the offspring were tall because

Because the trait associated with "tall-ness" is dominant and shortness is recessive

the allele for tall plants is recessive and none of the offspring received an allele for short height.

Explanation:

Thats what my teacher said^

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).

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