Vocabulary
The passing of traits from parent to offspring is called.
What is heredity?
What is a circle?
The scientific study of genes and heredity.
What is Genetics
On you paper, cross a Purebred Tall (T) and a purebred short (t). What percentage is hybrid?
What is 100%?
An example of an environmental factor that can affect a person's health?
Air Quality, poor eating habits, not exercising.
When two alleles are the same they are called.
What is homozygous?
A male is shown as this on a pedigree.
What is a square?
The type of reproduction that results in genetically identical offspring.
Asexual Reproduction
On your paper, cross two heterozygous tall plants (Tt). What plant is there 50% of?
What is heterozygous tall?
The main advantage of sexual reproduction.
What is genetic diversity?
When two alleles are different they are called.
What is heterozygous?
What does a shaded shape represent in a pedigree?
A person that has the trait that is being tracked.
Give an example of a homozygous dominant genotype for height.
HH (or 2 other capital letters)
On your paper, cross two hybrid tall plants (Tt). What plant is there 25 of?
**you must name both
What is homozygous dominant and homozygous recessive?
Type of reproduction that is both fast and energy efficient.
What is asexual reproduction
One form or version of a gene. You get one from each parent.
What is an allele?
What does a half shaded shape represent on a pedigree chart?
A carrier of a trait.
An organism inherits its genetic instructions from the —
What is organism's parents.
Having dimples is a recessive trait. What genotypes would two parents without dimples have to have in order to have a child that does have dimples? Use D for the allele.
Both parents would need to be Dd. (heterozygous)
A trait that will always show up as long as one allele is present.
Dominant Trait
What are Punnett Squares?
Explain what the horizontal and vertical lines represent in a pedigree chart.
Horizontal= Marriage or Parents
Vertical= Offspring
Explain how both parents can have brown eyes which is a dominant trait, and yet they have a child with blue eyes, which is a recessive trait.
Both parents must be carriers of the blue eye gene.
On your paper, cross a homozygous tall and a heterozygous tall. What are the 2 genotypes present in the Punnett square?
What are TT and Tt?
Who is called the "father of genetics"?
who is Mendel