Artificial Selection Vocabulary

What does the word "variants" mean?

• Different forms or versions of something.

• Similar copies of the same item.

• The original form of something.

• Unrelated elements combined together.

What is the purpose of gene therapy?

• To remove all genes from cells

• To transplant genes into cells to replace defective or missing genes

• To change the color of genes

• To study the structure of genes

What is artificial selection?

• The natural process by which plants grow

• The process by which humans breed animals and plants for particular traits

• The method by which animals choose their habitat

• The technique used to create artificial environments

What is a gene?

• A) A type of protein

• B) The basic physical and functional unit of heredity made up of DNA

• C) A cellular component that produces RNA

• D) A segment of RNA that codes for hormones

What is genetic engineering primarily concerned with?

• The study of ecosystems

• The direct manipulation of genetic material to alter hereditary traits

• The examination of cell structures under a microscope

• The process of cloning animals

What is selective breeding?

• A) A natural process where animals choose their own mates

• B) A form of artificial selection where humans breed plants and animals for desired traits

• C) A government program that protects endangered species

• D) A scientific experiment that modifies plant genes in a lab

What is a trait?

• A type of behavior only

• A characteristic of an organism that can be genetic or acquired

• A special skill

• A type of disease

What does the term "offspring" refer to?

• A) A type of plant

• B) A new organism produced by one or more parents

• C) A scientific tool used in biology

• D) A process in cellular biology

How does mutation affect an organism's genetic code?

• It does not affect the genetic code

• It introduces a permanent change to the DNA sequence

• It enhances the genetic code without altering the DNA

• It only affects RNA, not DNA

What role do chromosomes play in heredity?

• They provide energy to cells

• They are involved in the digestion of food

• They carry genetic information from parents to offspring

• They help in the movement of muscles