Genetics Post Test

Welcome to your Genetics Post Test

1. The caterpillars of monarch butterflies eat milkweed leaves. Milkweed leaves contain sap that is toxic to many animals but not to monarch butterfly caterpillars. This sap makes the monarch butterfly caterpillars toxic to predators and protects them from being eaten. Which of these is an inherited trait of monarch butterfly caterpillars?

2. Certain species of whiptail lizards have only female individuals and no males. These lizards reproduce asexually. What is one disadvantage of asexual reproduction for these lizards?
3. Three cousins have a similar appearance but different face shapes. Which of these cell components are most involved in determining the basic shape of each girls face?
4. Mitosis is responsible for the growth and replacement of somatic (body) cells. The end result of mitosis is ______
5. What process and type of resulting cells is represented in the diagram above?
6. Wheat was one of the first plant crops that humans domesticated. In the process of domestication, the wild form of wheat was eventually changed into a form more suited to human agricultural practice. Early farmers most likely used seeds only from wheat plants with ____
7. Tomato plants usually have hairy stems. Hairless stems are present in tomato plants that are homozygous recessive for this trait. If the stem characteristics are determined by a single gene, what is the expected outcome of crossing two tomato plants that are heterozygous for hairy stems?
8. Albinism is a recessive condition. Which circle graph shows the genotype probability when an albino female mates with a male that is heterozygous for the albinism trait?
9. A mutation that occurs in the gametes of an organism will most likely be transferred to which of the following?
10. The arctic fox inhabits northern areas of North America. The same arctic fox is shown in the drawing at different times of the year. What causes this change in fur color?