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LT 3a, 3b, 3c

Use these cards to practice with your genetics vocabulary.

TermDefinition
DNA deoxyribonucleic acid - genetic information in the nucleus of cells
gene a section of a chromosome that codes for a trait
chromosome threadlike bodies that carry genetic information in the form of genes
trait characteristic of an organism (such as eye color)
mutation a change in a gene or chromosome
genetic disorder a disease caused by a change in the DNA sequence
allele different forms (variations) of a gene
genotype the combination of genes for one specific trait
phenotype trait displayed from a gene - the physical appearance
dominant trait the expressed allele - the trait you can see
recessive trait the expressed allele when no dominant allele is present
homozygous a pair of two identical alleles
heterozygous two different alleles
sexual reproduction two parent cells join to form a new, unique individual
asexual reproduction production of genetically identical offspring by a single parent
genetic variation/genetic diversity the difference in DNA among individuals and/or populations of the same species
Punnett Square diagram used to identify genotypes and phenotypes of offspring
gametes sex cells
mitosis cell division where DNA is replicated (2 daughter cells)
genetics the study of genes and heredity
meiosis cell division where gametes are produced (4 daughter cells)
Created by: mrsbrownsc
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