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GeneticVocab

Genetics Unit Vocabulary

QuestionAnswer
An organism's appearance phenotype
A trait appearing in the first generation that is represented with capital letters. dominant trait
A trait appearing in the second generation that is represented with lower case letters. recessive trait
The genetic makeup of an organism. genotype
Having one dominant and one recessive gene. heterozygous
Having two dominant or two recessive genes. homozygous
A string of DNA that has instructions for a trait. gene
What three nitrogen bases code for. amino acid
The nitrogen base that pairs with thymine. Adenine
The nitrogen base that pairs with guanine. cytosine
What the sides of the DNA ladder are made of. Sugar-phosphate group
What amino acids join together to make. protein
The passing of traits from parents to offspring. heredity
The study of the passing of traits from parents to offspring. genetics
The different forms of a gene allele
The mathematical chance something will happen probability
This is used to predict all of the possible offspring combinations Punnett Square
The type of inheritance where dominant completely covers recessive Complete dominance
The type of inheritance where there are two dominant traits that show up in the heterozygous phenotype Incomplete dominance
The type of inheritance where there is more than one allele possible. Multiple alleles
The type of inheritance where there are many genes that contorl one trait. Polygenic inheritance
The parent generations P1 generation
The family/kid generation F1 generation
This shows all of the traits in a family by using symbols to represent individuals. pedigree
A change to DNA mutation
Created by: tbukousky
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