Question |
Answer |
acquired trait |
a characteristic that an organism develops after it is born |
chromosomes |
short, thick coils of DNA |
DNA |
a molecule found in the nucleus of a cell and shaped like a double helix; associated with the transfer of genetic information |
gene |
a short segment of DNA that determines an organism's inherited traits |
heredity |
the genetic trasfer of characteristics from parent to offspring |
mutation |
a change in the genes of an organism |
nucleotide |
the basic structural unit of DNA |
adaptation |
a trait or characteristic that helps an organism survive in its environment |
dominant |
being expressed when an organism receives genes for two different forms of a trait |
hybrid |
an organism that has two different genes for the same trait |
recessive |
not being expressed when an organism receives genes for two different forms of a trait |