A. What controls traits? 1. Inside each cell is a nucleus that contains threadlike structures
called———-

2. Mendel's factors are parts of chromosomes, and each cell in the offspring contains
chromosomes from both————-

3:A(n)———is a section on a chromosome that has genetic
information for one trait.
4. The different forms of a gene are called————-

5. Geneticists refer to how a trait appears, or is expressed, as the
trait's———-

6. The two alleles that control the phenotype of a trait are called the
trait's———-
a. In genetics,
letters represent dominant alleles, and
letters represent recessive alleles.
b. When two alleles of a gene are the same, its genotype is
c. If two alleles of a gene are different, its genotype is
B. Modeling Inheritance
1. In a situation based on chance, such as flipping a coin, the chance of getting
a certain outcome can be represented by a(n)
such