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Biology

Vocab

TermDefinition
Chromosome a cell that carries genetic structure in the form of genes
Gene a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring
Allele one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
Meiosis a cell division that results one sell to split into 4 cell with half the chromosomes each time.
Gamete a cell that is from the male or female that is able to unite with another of the opposite sex
Fertilization the act of a male sperm and a female egg to joining together
Dominant One allele that totally masks the other allele
Recissive that one of a pair of alternative alleles whose effect is masked by the activity of the second
Genotype the genetic makeup of an organism or group of organisms with reference to a single trait, set of traits, or an entire complex of traits.
Phenotype the observable constitution of an organism.
Homozygous having identical pairs of genes for any given pair of hereditary characteristics
Heterozygous Two different versions of the same allele
Autosome any chromosome other than a sex chromosome.
Sex Chromosome a chromosome, differing in shape or function from other chromosomes, that determines the sex of an individual.
Created by: Crasher