Mendel
Vocabulary
Probability
Beyond Mendel
Random
100

They are small, easy to grow, and they reproduce large numbers of offspring.

What is the pea plant?

100
Organisms that have two identical alleles for a particular trait.
What is homozygous?
100
The probability that a flipped coin will come up tails?
What is 1/2?
100
A cross between a black chicken and a white chicken produces all speckled feathered offspring.
What is codominance?
100
A specific characteristic that varies from one individual to another.
What is trait?
200
Some alleles are dominant and some are recessive.
What is the principle of dominance?
200
A mule is the result of a cross between a donkey and a horse.
What is a hybrid?
200
The percent probability of an F1 plant from a cross between a heterozygous tall pea plant with a short plant.
What is 50%?
200
The coat color produced in cattle by codominance.
What is roan?
200
The separation of alleles during gamete formation.
What is the principle of segregation?
300
Mendel removed the male parts from the flowers of some plants in order to prevent pollination.
What is control crosses?
300
One allele for a gene is not completely dominant over another allele for that gene.
What is incomplete dominance?
300
A diagram used to predict the traits of the offspring of genetic crosses based on the principles of probability.
What is Punnett Square?
300
Coat color in rabbits determined by a single gene.
What is multiple alleles?
300
The probability that a gamete produced by a pea plant heterozygous for stem height will contain the recessive allele.
What is 1/2 or 50%?
400
Mendel crossed a tall plant with a short plant and each inherited one allele from each parent producing this generation.
What is F1?
400
An example is variation in human skin color.
What is polygenic trait?
400
The amount of different allele combinations found in the gametes produced by a pea plant whose genotype is RrYY?
What is two?
400
The color of a heterozygous roan bull if hair color showed incomplete dominance instead.
What is pink?
400
The genotypes of the offspring from a cross between a heterozygous tall plant with a homozygous tall plant.
What is 1 TT : 1 Tt?
500
Each pea plant gamete has this many alleles for the height gene.
What is two?
500
A factor that passes from parent to offspring and determines a trait.
What is gene?
500
The ratio for a dihybrid cross between two heterozygous individuals for both traits.
What is 9:3:3:1?
500
The reddish-brown pigment that gives color to a fruit-fly's eye is controlled by three genes.
What is polygenic trait?
500
The alternate forms of a gene.
What is allele?
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