For an xx female to express a recessive sex-linked trait, she must have

She must have the resessive trait on both of her chromosomes. Withought them being on both she would be a carrier.

your a sped   no one cares

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).