Section 2 Vocab
A chart that shows all the possible combinations of alleles that can results from a genetic cross
What is a Punnett Square
The probability of getting heads when you flip a coin
What is One in Two, or 50%
An allele whose trait always shows up in the organism when the allele is present.
What is a Dominant Allele
If you cross a Purebred Tall plant with a Purebred Tall plant, what is the probability that its offspring will come out Purebred Tall?
What is Four in Four, or 100%
The male reproductive organ of the plant
What is the Stamen
A condition in which neither of two alleles of a gene is dominant or recessive
What is a Codominance
The probability that you will pick a heart card when you pick a card from a deck
What is One in Four, or 25%
An allele that is masked when a dominant allele is present.
What is a Recessive Allele
If you cross a Purebred Dominant Green Plant with a Purebred Recessive Yellow Plant, what is the probability that the offspring will come out Purebred Recessive Yellow?
What is Zero in Four, or 0%
The female reproductive organ of the plant
What is the Pistil
Having two different alleles for a trait
What is heterozygous
The probability that you will roll a 2 when you roll a dice?
What is One in Six, or 16%
The joining of a sperm and an egg.
What is Fertilization
If you cross a Hybrid Tall plant with a Hybrid Tall plant, what is the probability that you will get a Purebred Recessive Short Plant?
What is One in Four, or 25%
What are the Petals
A number that describes how likely it is that an event will occur
What is Probability
The principle of probability that describes the fact that one event does not affect the next event
What is Independence of Events
The passing of traits from parents to offspring.
What is Heredity
If you cross a Hybrid Tall Plant with a Purebred Tall plant, what is the probability that its offspring will come out Hybrid Tall?
What is Two in Four, or 50%
The round and sticky part of the plant that catches pollen from pollinators
What is the Stigma
An organism’s genetic make up, or allele combinations
What is Genotype
If you try a game of chance many times, is it more likely or less likely to match the game’s probability?
What is More Likely
The set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait.
What is a Gene
If a mother rabbit is Codominant Black, and a father rabbit is Codominant White, what color will their offspring be?
What is white and black
The large central part of the plant that produces eggs
What is the ovary