The passing of physical characteristics from parents to offspring.
What is heredity?
100
Organisms that are "pure" for a specific trait.
What is purebred?
100
Organism that has two different alleles for a trait.
What is a hybrid?
100
An organism that has identical alleles for a trait. Also known as a purebred.
What is homozygous?
100
In pea plants, tall is dominant over short. Using the letter T, what is the genotype of a short plant?
What is tt?
200
A physical characteristic of an organism.
What is a trait?
200
A factor that controls traits.
What is a gene?
200
A number that describes how likely it is that an event will occur.
What is probability?
200
An organism that has two different alleles for a trait. Also known as a hybrid.
What is heterozygous?
200
In pea plants, wrinkled seeds are recessive and round seeds are dominant. Using the letter R, name the possible genotype of a plant heterozygous for round seeds.
What is Rr?
300
The scientific study of heredity.
What is genetics?
300
Different forms of a gene.
What is an allele?
300
A tool that can help you grasp how the laws of probability apply to genetics.
What is a Punnett square?
300
The probability (as a percentage) you would get if 4 out of 10 free throws go through the hoop.
What is 40%
300
A homozygous black guinea pig and a heterozygous black guinea have a litter of pups. What percent would be white?
What is 0%?
400
Occurs when sperm and egg cells join.
What is fertilization?
400
This trait always shows up in an organism whenever the dominant allele is present.
What is a dominant allele?
400
An organism's physical appearance, or visible trait.
What is phenotype?
400
# desired events/total # of events
What is the formula for calculating probability?
400
Another name for the parent generation in a genetic cross.
What is P generation?
500
Fertilization in plants.
What is pollination?
500
Hidden whenever the dominant allele is present.
What is a recessive allele?
500
An organism's genetic makeup or alleles.
What is genotype?
500
What Mendel has become known as.
What is the Father of Genetics?
500
The ratio of tall to short pea plants in the F2 generation.