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Genetics Test


Geneticist An expert in the study of heredity
Genetics The study of heredity and the variation of inherited characteristics
Cell The smallest unit of an organism
Chromosome Carries Genes
Gene Transferred from a parent to offspring, determines characteristics
DNA The main part of chromosomes, carries genetic information
Offspring Children
Trait A characteristic
Inherited Trait Passed on in its genes
Acquired Trait Not inherited change, because of the environment
Heredity Passing on from one generation to another
Purebred From parents of the same breed TT or tt
Hybrid The offspring from two different varieties Tt
Ratio Relation from two amounts
Dominant Trait When the dominant trait is shown
Recessive Trait When there is no dominant trait shown
Dominant Gene A gene that you inherit that is shown
Recessive Gene A gene that controls that recessive trait and is only shown when there is no dominant gene
Probability The likelihood something will happen
Punnett Square A diagram used to predict the genotypes of offspring
Phenotype A trait we could observe
Genotype The genetic make-up of an organism
Carrier A person that carriers a certain gene
Pedigree Chart A diagram that shows phenotypes, one generation to another
Incomplete Dominance One allele is not completely expressed over its paired allele
Co-Dominance Two versions of the same gene are present and both are expressed
Body Cells The basic blocks of living things They take in food which changes into energy
Sex Cells Reproductive cells Men sperm Women eggs
Sex Chromosomes Determines the sex of the organism
Asexual Reproduction Offspring comes from a single cell
Sexual Reproduction Sperm and egg produce from two parents
Created by: jschwartzman