# 22 A Gene affects an organism's phenotype by controlling...Group of answer choices:1) the reproductive method of the organism2) an organism's environment3) protein production4) the rate of mutation# 23 An allele is a...Group of answer choices:1) a specific version of a gene2) a result of a change to phenotype3) a trait that can be affected by the external environment4) always codominant to its counterpart on the other chromosome# 24 What is the probability that a parent who is heterozygous for a trait, Ff, will pass along the "f" allele to a child in the gametes?Group of answer choices:1) 100%2) 0%3) it depends on how many children the individual has.4) 50%# 25 The shape of our little "pinky" finger is determined by one gene in humans. Bent little finger is a dominant allele, and straight little finger is a recessive allele. What genotype would a person have if they have a straight little finger trait?Group of answer choices:1) bb2) you can't tell by looking at the finger3) Bb4) BB