Chapter 5 Vocab Words Flashcards
The trait observed in the first generation when parents that have different traits are bred
Dominant trait
The passing of genetic traits from parent to offspring.
Heredity
A trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bred.
Recessive trait
One set of instructions for an inherited trait.
Gene
One of the alternative forms of a gene that governs a characteristic, such as hair color.
Allele
An organisms appearance or other detectable characteristic.
Phenotype
The entire genetic makeup of an organism; also the combination of genes for one or specific traits.
Genotype
The likelihood that a possible future event will occur in any given instance of the event.
Probability
Chromosomes that have the same sequence of genes and the same structure.
Homologous chromosomes
A process in 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 sex cells
Meiosis
A diagram that shows the occurrence of a genetic trait in several generations of a family.
Pedigree
One of the pair of chromosomes that determine the sex of an individual.
Sex chromosomes
