UNIT TEST!! Help!! :C

1. Which statements describe gene therapy? Check all that apply.

☐ It cures all cases of cystic fibrosis.
☐ It involves the modification of DNA.
☐ It is easy to apply to all cells affected by the disorder.
☐ It attempts to replace a mutated gene with normal DNA.
☐ It does not always cure patients who use it.


2. A fruit fly has black eyes. Having red eyes is a dominant trait (R) and having black eyes is a recessive trait (r).

Which describes the fruit fly’s genotype and phenotype?

A.)genotype: black eyes
phenotype: Rr
B.)genotype: black eyes
phenotype: rr
C.)genotype: rr
phenotype: black eyes
D.)genotype: Rr
phenotype: black eyes


Thank you sm for helping <33