Genetics Unit TEST

Different forms of genes are called?

• Alleles

• Chromosomes

• DNA strands

• Genomes

________ genetics is the scientific study of heredity.

• Molecular

• Classical

• Evolutionary

• Mendelian

What did Mendel observe?

• Inheritance patterns in pea plants

• The structure of DNA

• The behavior of chromosomes during meiosis

• The process of natural selection

How do alleles affect inheritance?

• They determine blood type

• They are the only factor in determining traits

• They can be dominant or recessive and influence traits

• They have no effect on inheritance

Define heredity.

• The study of genes and their functions

• The process of cell division

• The passing of traits from parents to offspring

• The variation of characteristics within a population

Define trait.

• A segment of DNA that codes for a protein

• A characteristic that an organism can pass on to its offspring

• A type of genetic disorder

• A method of genetic analysis

Define genetics.

• The study of heredity and the variation of inherited characteristics

• The process by which organisms grow and develop

• The study of cells and their organelles

• The investigation of ecological relationships

Define fertilization.

• The fusion of two gametes to form a zygote

• The division of a cell into two daughter cells

• The process by which plants produce oxygen

• The genetic modification of an organism

Define purebred.

• An organism that has been genetically modified

• An organism that is the offspring of many generations that have the same trait

• A mixed breed organism

• An organism found in its natural environment without human intervention

Define gene.

• A unit of heredity that is transferred from a parent to offspring

• A type of protein that regulates cell functions

• A cellular structure that contains genetic material

• A method for tracking genetic inheritance