Pedigree Chart
What shape is a male on a pedigree chart.
Square
What is a phenotype?
The gene you express
What does it mean when a trait is dominant?
Overpowering and is expressed
A recessive trait can show
False
What is the shape of a female on a pedigree chart?
Circle
What is a genotype?
The actual gene you have
What does it mean when a trait is recessive?
Gets overpowered by dominant gene and doesn't get expressed.
A dominant trait always shows
True
What does it mean if a shape is half shaded in?
Is recessive and doesn't show the trait
Have the recessive gene but not affected
How do you get a dominant trait?
If the trait comes from both parents.
If both your parents have a recessive trait for green eyes you will also be recessive.
False
What does it mean if a shape is fully shaded in?
dominant and expresses the trait
what is Homozygous?
Both genes are the same either recessive or dominant
If only one of your parents have an allele for blue eyes you will also be recessive.
True
What is used to show generations?
Roman Numerals
what is heterozygous?
Genes are opposite
One dominant one recessive