A | B |
DNA | A compound in chromosomes that codes and stores genetic information and controls all cell activities. |
Genetic code | Genetic code is based on arranging the four G, C, A & T chemical letters into organisms |
Chromosome | A fat strand of DNA (deoxyribonucleic acid) covered with protein that carry genetic code |
Gene | A segment along DNA strand that controls traits passed from parent to offspring and directs making of proteins. |
Allele | An alternative form of a gene |
Mitosis | A cell division that produces two cells identical to the parent cell. |
Meiosis | A cell division that produces sex cell that have only half the normal number of chromosomes. |
Traits | A most desirable characteristics |
Purebred | Ancestors that have only produced white offspring. |
Hybrid | Crossing two purebred parents that differ in a trait such as coat color. |
Dominant trait | Black coat color in a cat, brown eye color for human. Letter is always capital for dominat trait. |
Recessive trait | White fur coat in a cat, blue eye color for human. Letter is always small for recessive trait. |
Incomplete dominance | A new color is produced |