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Chapter 19
Genetics and Inheritance
11
Biology
Undergraduate 1
09/18/2013

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Term
alleles
Definition
variation of the same gene
Term
homoxygous
Definition
both alleles are identicle
Term
two alleles
Definition
how many alleles do you get from each parent
Term
heterozygous
Definition
both alleles are different
Term
homozygous dominant
Definition
example of a genotype
Term
law of segregation
Definition
where genes separate from each other so each sperm and egg only get one allele from each pair
Term
Punnett
Definition
used to predict genotypes
Term
What is the correct hierarchical order, from smallest to largest unit/structure of gene chromosome genome and nucleotide
Definition
nucleotide, gene, chromosome, genome
Term
A a
A AA Aa
a Aa aa
What are the chances you wont get the dominate trait
Definition
25%
Both parents have the dominate trait
Term
A A
A AA AA
A AA AA

What are the chances you wont get the dominate trait
Definition
0%
Both parents have the dominate trait
Term
a a
A Aa Aa
a aa aa
What are the chances of a heterozygous genotype
Definition
100%
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