Pearson Biology Chapter 11 Introduction to Genetics

Scientific study of hereditary

• Genetics

• Trait

Process in sexual reproduction in which male and female reproductive cells join to form a new cell

• Fertilization

• Hybrid

Specific characteristic of an individual

• Gene

• Trait

Offspring of crosses between parents with different traits

• Hybrid

• Allele

Sequence of DNA that codes for a protein and thus determines a trait; factor that is passed from parent to offspring

• Gamete

• Gene

One of a number of different forms of a gene

• Segregation

• Allele

Mendel’s second conclusion, which states that some alleles are dominant and others are recessive

• Principle of dominance

• Fertilization

Separation of alleles during gamete formation

• Principle of dominance

• Segregation

Sex cell

• Gamete

• Gene

Likelihood that a particular event will occur

• Probability

• Independent assortment