In some conditions caused by mutations, it is beneficial for an individual to be a carrier of the disorder, and not have the full homozygous condition. This is known as fitness. sickle cell trait. heterozygote advantage. homozygote advantage.

heterozygote advantage

Explanation:

Usually if the mutation is present and the individual is only a carrier then they are heterozygous

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).

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully