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Genetics Vocab

Terms

QuestionAnswer
heredity The passing of physical characteristics from parent to offspring.
trait A characteristic that an organism can pass on to it's offspring through its genes.
genetics The scientific study of heredity.
fertilization When a plant egg and sperm join.
purebred Offspring of many generations that have the same traits.
gene Factor that control a trait.
alleles Different forms of a gene.
dominate allele one whose trait always shows up in the organism when the allele is present.
recessive allele Trait that is hidden whenever the dominant allele is present.
hybrid Organism that has two different alleles for a trait
probability To predict the result of a particular event.
Punnett Squares A chart that shows all the possible combinations of alleles that can result from a genetic cross.
phenotype Physical appearance.
genotype A genetic makeup, or allele combinations.
homozygous Organism that has two identical alleles for a trait.
heterozygous Organism that has two different alleles for a trait.
codominance Inheritance pattern
Meiosis Process by which the number of chromosomes is reduced by half to form sex cells sperm and eggs.
Messenger RNA copies the coded message from the DNA in the nucleus, and carries the message to the ribosomes in the cytoplasm
Transfer RNA Carries the amino acids to the ribosome and adds them to the growing protein
Mutation Any change in the gene or chromosomes.
Created by: Keegan_Murray1
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