Vocabulary
Genetic Code
Simple Inheritance
Punnett Squares
Pedigrees
100
Define alleles
Different versions of a gene
100
Translate the codon: UUC
F - Phenylalanine
100
Why do offspring resemble their biological parents?
They iherit genetic information from them
100
In humans, brown eyes (B) are dominant and blue eyes (b) are recessive.
Which genotypes represent a person with brown eyes?
BB and Bb
100
What does a circle represent on a pedigree?
Female
200
Define phenotype
A set of observable traits, which are determined in part by its genes
200
Translate the codon: GUG
V - Valine
200
What is a simple inheritance pattern?
The appearance or absence of a feature or trait is controlled by a single gene
200
Cystic fibrosis is a genetic disorder controlled by a single gene. It follows a simple recessive inheritance pattern.
True or False: CC – will suffer from the disease and can pass it on to offspring
False
200
How are individual II-2 and II-4 related?
Siblings
300
Define genotype
A set of genes, which help to determine its observable traits
300
Translate the codon: UGG
W - Tryptophan
300
If an allele is dominant, how many copies of it need to be present in the genotype for an individual to have the associated trait?
1
300
Cystic fibrosis is a genetic disorder controlled by a single gene. It follows a simple recessive inheritance pattern.
True or False: cc – will suffer from the disease and can pass it on to offspring
True
300
How many offspring does individual II-1 have? 
None
400
Define homozygous
An individual inherits two alleles that are the same.
400
An individual has a mutation that results in a change of the codon UCG to the UCC.
Will this mutation change the protein?
No
400
A child needs to inherit two copies of the blue-eyed allele to have blue eyes.
Waht kind of trait is that blue-eye allele?
Recessive trait
400
Cystic fibrosis is a genetic disorder controlled by a single gene. It follows a simple recessive inheritance pattern.
True or False: Cc – will not suffer from the disease but can pass it on to offspring
True
400
Fused digits (F) is a dominant trait. Affected individuals are shaded.
What is the genotype of individual II-4?
ff
500
Define heterozygous
An individual inherits two alleles that are the different.
500
An individual has a mutation that results in a change of the codon UCG to the UAG.
Will this mutation change the protein?
Yes
500
How are alleles symbolized when describing an organism's genotype?
Capital letter for the dominant allele; lower case of the same letter for the recessive allele
500
Cystic fibrosis is a genetic disorder controlled by a single gene. It follows a simple recessive inheritance pattern.
True or False: cc – will not suffer from the disease but can pass it on to offspring
False
500
Fused digits (F) is a dominant trait. Affected individuals are shaded.
What is the genotype of individual I-1?
Ff