Albinism is a genetic mutation that results in some animals being born without the enzyme that produces the pigment for skin and eye color. all but one statement is a possible explanation for this mutation. which is not an explanation? a) a dna base in the gene for the enzyme was removed. b) a dna base in the gene for the enzyme was substituted. c) the wrong mrna code caused the wrong protein to form. d) the organism gained an extra chromosome because of a non-disjunction.

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.