Back to AI Flashcard MakerBiology /Behavioral Neuroscience Module 4.1
Dominant
Gene that shows a strong effect in either the homozygous or heterozygous condition
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Key Terms
Term
Definition
Dominant
Gene that shows a strong effect in either the homozygous or heterozygous condition
Recessive
One that shows effects only in the homozygous condition
Heterozygous
Having two unlike genes for a given trait
Homozygous
Having two identical genes for a given characteristic
Ribonucleic acid RNA
A single-strand chemical; Base order= adenine, guanine, cytosine, and uracil
Deoxyribonucleic acid DNA
Double-stranded molecule that is part of the chromosomes; Bases= adenine, guanine, cytosine, and thymine
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| Term | Definition |
|---|---|
Dominant | Gene that shows a strong effect in either the homozygous or heterozygous condition |
Recessive | One that shows effects only in the homozygous condition |
Heterozygous | Having two unlike genes for a given trait |
Homozygous | Having two identical genes for a given characteristic |
Ribonucleic acid RNA | A single-strand chemical; Base order= adenine, guanine, cytosine, and uracil |
Deoxyribonucleic acid DNA | Double-stranded molecule that is part of the chromosomes; Bases= adenine, guanine, cytosine, and thymine |
Chromosomes | Strands of genes |
Genes | Units of heredity that maintain their structural identity from one generation to another |
Sex-linked genes | Genes on either the X or Y chromosome; Female = XX; Male = XY |
Autosomal genes | All chromosomes other that X and Y |
Sex-limited genes | A gene that exerts its effects primarily in one sex because of activation by androgens or estrogens, although members of both sexes may have the gene; Present in both sexes but active mainly in one sex |