Which of the following best describes the flow of genetic information inside a cell? protein --> RNA --> DNA DNA --> RNA --> protein ОООО RNA --> DNA --> protein DNA --> protein --> RNA
You identify a mutation in fruit flies that results in green eyes. You want to test whether it is X-linked. Which of the following crosses would be most informative for determining whether the mutation is X-linked? Cross a green-eyed female (from a true-breeding strain) with a wild-type male (from a true-breeding strain) Cross a green-eyed male (from a true-breeding strain) with a wild-type female (from a true-breeding strain) ОООО Cross a green-eyed male (from a true-breeding strain) with a heterozygous female. Cross a green-eyed male (from a true breeding strain) with a green-eyed female (from a true-breeding strain)
Which of the following genotypes should be considered "true breeding"? AABb AAbb AaBb AaBB
Answer
Dear Student,
Option B is the correct option.
DNA makes RNA, which in turn makes proteins
A true-breeding is a kind of
breeding wherein the parents would produce
offspring that would carry the same phenotype. AAbb should be
considered "true breeding".
