Science Flash Cards
Heredity
The passing of genetic traits from parent of offspring
Dominant Trait
The trait observed in the first generation when parents that have different traits are bred
Recessive Trait
A trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bred
Gene
One set of instructions for an inherited trait
Allele
One of the alternative forms of a gene that governs a characteristic, such as hair color
Phenotype
An organisms appearance or other detectable characteristic
Genotype
The entire genetic makeup of an organism; also the combination of genes for one or more specific traits
Probability
The likelihood that a possible future event will occur in any given instance of the event
Meiosis
A process in the cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of the sex cells
Sex Chromosomes
One of the pair of chromosomes that determine the sex of an individual
Pedigree
A diagram that shows the occurrence of a genetic trait in several generations of a family
DNA
Deoxyribonucleic acid
