A piece of chromosome that codes for a certain trait.
What is a gene?
Different forms of a gene.
What are alleles?
Displays the probability that traits will be passed on to offspring.
What is a Punnet Square?
A blend of two traits.
What is incomplete dominance?
Phase where crossing over occurs.
What is Prophase I?
Another term for the first set of items crossed.
What is P1?
Typical ratio derived from a Punnett square.
What is 3:1?
The allele that is always written first.
What is the dominant allele?
A MIXTURE of two traits.
What is codominance?
Number of chromosomes in each cell at the end of telophase II.
What is 23?
Considered the father of genetics.
Who is Gregor Mendel?
The two types of alleles.
What are dominant and recessive?
What a male is represented by in a pedigree.
What is a square?
Gene pairs segregate into gametes randomly and independently of each other.
What is the Law of independent assortment?
The chromosomes line up in the center of the cell in this phase of mitosis and meiosis.
What is metaphase?
Another word for hybrid.
What is heterozygous?
These alleles are always represented by capital letters.
What are dominant alleles?
A trait that we need TWO of to express a certain trait.
What is a recessive trait?
Term used to describe numerous alleles for skin or eye color.
What are multiple alleles or polygenic?
What we call pairs of chromosomes.
What are homologous chromosomes?
The type of plant Mendel used to study genetics.
What are pea plants?
When two alleles are the same.
What is homozygous?
The probability that I will have a recessive trait if my mom is heterozygous dominant and my dad is homozygous recessive for a trait.
What is 50%?
What is recessive?
Segments of nonsister chromatids breaking off and reattaching to other chromatids.
What is crossing over?