Genetics Vocabulary Review

What does it mean if a gene is DOMINANT?

• When mixed with a recessive allele, the recessive will show up
• When mixed with a recessive allele this dominant one will show
• A random allele will show
• Neither allele will show

What does it mean if a gene is
RECESSIVE?

• When mixed with a dominant allele, the dominant one will show.
• When mixed with a dominat allele this recessive allele will show.
• A random allele will show
• Neither allele will show

What does it mean if an organism is PUREBRED?

• The organism produces asexually
• The organism has no parents
• It is the offspring of two heterozygous parents
• It is the offspring of two homozygous parents.

What does it mean if an organism is a HYBRID?

• It is the offspring of two heterozygous parents
• It is the offspring of two homozygous parents.
• The organism has no parents
• The organism produced asexually

What is an ALLELE?

• An organism that looks different from another organism.
• Another word for DNA
• Alternative forms of a gene
• A type of cell division

What does HETEROZYGOUS mean?

• When an organism has no alleles
• When an organism has two of the same alleles for a trait
• When an organism has two different alleles for a trait
• When an organism has over 50 alleles

What does HOMOZYGOUS mean?

• When an organism has no alleles
• When an organism has two of the same alleles for a trait
• When an organism has two different alleles for a  trait
• When an organism has over 50 alleles.

What is a GENOTYPE?

• Your skin color
• A trait (eye color; blood type; etc.)
• The discription of a physical characteristic
• Set of genes in our DNA that is responsible for a certain trait

What is a PHENOTYPE?

• The description of a physical characteristic.
• Set of genes in our DNA that is responsible for a certain trait
• A type of cell division
• An individual blood type

What is CODOMINANCE?

• When one allele is more dominant than the other
• When one allele is more recessive than the other
• When two alleles are equally as dominant
• When neither of the alleles are present