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Behavioral Neuroscience Module 4.1

Biology11 CardsCreated about 1 month ago

This deck covers key concepts in genetics, including types of genes, chromosomes, and the roles of DNA and RNA.

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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TermDefinition
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