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Genetics

Vocabulary

TermDefinition
Gene Segment of DNA
Phenotype Physical Appearance determined by your genotype
Dominant Most common trait
Recessive Least common trait
Heterozygous A dominant and recessive trait. For example, Bb.
Homozygous Both the same type of trait, either dominant or recessive. For example, TT or tt.
Trait A gene contributed to you by your parents.
Genotype The genes that make up your phenotype.
Incomplete Dominance Rr being pink. A mix of a dominant and recessive allele.
Codominance Red and white. Rr
Carrier Carries and can pass along a disease but doesn't have it.
Karyotype Image used for genetic screening.
Paleontology The study of fossils or extinct organisms.
Geography Different climates, food sources, predators, habitats, result in animals that look similar but have different beneficial adaptations so are different species.
Fossils Are found in layers of rock, top layer are youngest, bottom layer are oldest.
Embryology Study of embryos and their development
Homologous Structures Body parts that are similar but used differently.
Analogous Structures Body parts that preform a similar function but are not similar in origin.
Vestigial Structures Small leftover body parts that had a function in early ancestors but have no use today.
Created by: lizzylewis
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