Heredity Flashcards
The passing of genetic traits from parent to off spring
Heredity
The trait observed in the first generation when parents that have different traits are bred
Dominant Trait
A trait that reappears in the second generation after disappearing in the first generation when parents with different traits bred
Recessive Trait
One set of instructions for an inherited trait
Genes
one of the alternative forms of a gene that governs a characteristics such as hair color
Alleles
The likelihood that a possible future event will occur in any given instance of the event
Probability
a process in cell division during which the number of chromosomes decreases to half the original number by 2 divisions of the nucleus which results in production of sex cells
Meiosis
one of the pair of chromosomes that determine the sex of an individual
Sex Chromosomes
a diagram that shows the occurrence of a genetic trait in several generations of a family.
Pedigree
deoxyribonucleic acid a molecule that is present in all living cells that and that contains the information that determines the trait that a living things inherits and needs to live
DNA
in a nucleic acid chain a subunit that consists of a sugar a phosphate and nitrogenous base
Nucleotide
a change in the nucleotide-base sequence of a gene or a DNA molecule
Mutations