1. TRUE OR FALSE: A gamete has one- half the number of chromosomes of a regular body cell.

2. The staff in the neonatal unit at a hospital are not sure which of two babies belong to which set of parents. The blood types of the babies are AB and O. One set of parents has blood types A and B. With this knowledge it would still be necessary to test the second couple.

3. Duchene’s muscular dystrophy is a sex-linked disorder and is generally exhibited in males. A woman whose parents were unaffected, but whose brother has the disorder, has a 25% chance that she will be a carrier of the gene.

4. When a homozygous red carnation is crossed with a homozygous white carnation a pink carnation resulted. This is due to incomplete dominance known as codominance.

5. Mendel’s work on garden pea plants resulted in the discovery that genetic traits of parents always blend together in subsequent generations.

6. The law of independent assortment states that two or more pairs of homologous chromosomes can randomly line up during metaphase I of meiosis.

7. A woman homozygous for a dominant genetic disorder will have children who have a 50% chance to be affected by the trait also, regardless of their gender.

8. Garden peas are difficult to grow because they mature slower.

9. Probability is the likelihood that a certain event will occur.