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Genetics Vocab Quiz
Mr. Richards Vocab Quiz
12
Biology
12th Grade
12/13/2024

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Term
True-breeding
Definition
If you cross something with itself, it will produce something that looks like itself.
Term
Hybridization
Definition
The mating of two true-breeding varieties.
Term
Gene
Definition
An information unit of DNA that codes for proteins and sometimes RNA.
Term
Locus
Definition
A gene's specific location along the length of the chromosome.
Term
Allele
Definition
Alternative type of a gene (A,a).
Term
Genotype
Definition
The two alleles that an organism has for a particular gene.
Term
Homozygous
Definition
Have two of the same alleles for a gene (AA,aa).
Term
Heterozygous
Definition
Have two different alleles for a gene (Aa,aA).
Term
Phenotype
Definition
The physical appearance of the organism due to the genotype.
Term
Wild-type
Definition
The most commonly observed phenotype in nature; "normal".
Term
Dominant Phenotype
Definition
The trait that you see in the heterozygote.
Term
Recessive Phenotype
Definition
The trait that you don't see in the heterozygote.
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