Chapter 4: Genetics Vocab Quizs

Pedigree

• A diagram that shows the occurrence of a genetic trait in several generations of a family.

• A type of genetic mutation that occurs in a single generation.

• A method for cloning organisms in a laboratory setting.

• A chart that tracks the dietary habits of a family over generations.

Phenotype

• Physical characteristics of an organism.

• Genetic makeup of an organism.

• Behavioral traits of an organism.

• Environmental influences on an organism.

Pedigree-Squares

• Family members that are females.

• Family members that are males.

• Family members that are children.

• Family members that are grandparents.

Dominant Allele

• An allele that is always recessive in the organism.

• An allele whose trait always shows up in the organism when the allele is present.

• An allele that does not affect the organism's traits.

• An allele that can only be expressed in a homozygous condition.

Pedigree-Filled In Shapes

• Represents individuals that do not have the trait.

• Represents individuals that have the trait.

• Represents individuals that are carriers of the trait.

• Represents individuals that are unaffected by the trait.

Recessive Pedigree

• The trait appears in every generation.

• The trait does not appear in every generation.

• The trait is dominant in the population.

• The trait is only expressed in males.

Gene

• A segment of DNA on a chromosome that codes for a specific trait.

• A type of protein that helps in cell division.

• A molecule that carries oxygen in the blood.

• A structure that protects the cell from external damage.

Hybrid

• Offspring of crosses between parents with different traits.

• A type of plant that grows in water.

• An animal that can live in both land and water.

• A genetic mutation that occurs in a single organism.

Allele

• Different forms of a gene.

• A type of mutation in DNA.

• A specific location on a chromosome.

• A protein that influences traits.

Gregor Mendel

• Father of modern genetics.

• Inventor of the microscope.

• Discoverer of penicillin.

• Pioneer of quantum physics.