| Question |
Answer |
| A genetic trait that is HIDDEN by a dominant trait. |
Recessive trait |
| A genetic trait that expresses itself more STRONGLY than another trait. |
Dominant trait |
| The SCIENCE of heredity |
Genetics |
| CHARACTERISTICS such as leaf shape or eye color that are passed from parent to offspring. |
trait |
| The section of DNA that codes for one specific trait. |
gene |
| Consists of strands of molecules that code and store genetic information; located in the nucleus of the cell. It's like a blueprint for your body. |
DNA |
| One version of a gene |
Allele |
| Scientists who discovered the structure of the DNA molecule (notice this is PLURAL--it will be more than one name) |
Watson and Crick |
| The SHAPE of a DNA molecule. It looks like a twisted ladder. |
double helix |
| The passing of traits from parents to offspring. |
heredity (verb form--inherit)(My labrador inherited his yellow fur from his mother and father.) |
| A group of similar organisms that can reproduce together and produce fertile offspring. |
species(Dogs are a species of mammals. Dogs can breed and produce more dogs.) |
| the processing of thinking & discussing ISSUES OF RIGHT & WRONG |
ethics |
| The YOUNG of a person, animal, or plant |
offspring |
| A form of reproduction that requires TWO PARENTS and results in offspring who are genetically DIFFERENT from their parents. |
sexual reproduction |
| An organism with dominant allele AND a recessive allele for a trait. |
hybrid |
| An organism that is genetically IDENTICAL to the organism from which is was produced. |
clone |
Ch.18 LTI-MA 509
