heredity vocab terms Flashcards
heredity
the passing of genetic traits from parent offspring
Dominant Trait
the trait observes in the first generation when parents have diffrent traits
Recessive Trait
a trait that apparent only when two recessive alleles for the same characteristics are inherited
Genes
one set of instructions for an inherited trait
Alleles
one of the alternative of a gene that governs a characteristics, such as hair color
Phenotype
an organim’s apperance or other detectables characteristics
Homologous chromosomes
The cell has two sets of each chromosome; one of the pair is derived from the mother and the other from the father.
Meiosis
Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information.
Genotype
the genetic constitution of an individual organism.
verb
Probability
the extent to which something is probable; the likelihood of something happening or being the case.
Sex chromosomes
a chromosome involved with determining the sex of an organism, typically one of two kinds.
Pedigree
A pedigree chart is a diagram that shows the occurrence and appearance or phenotypes of a particular gene or organism
DNA
Deoxyribonucleic acid is a molecule that carries the genetic instructions
Nucleotide
Nucleotides are organic molecules that serve as the monomers, or subunits, of nucleic acids like DNA
RNA
RNA stands for ribonucleic acid. It is an important molecule with long chains of nucleotides
