Genetics and Probability Quiz
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Which is a phenotype?
A. Purple
B. Pp
What is the probability of flipping a fair coin and getting heads?
A. 25%
B. 50%
C. 75%
D. 100%
What is an example of codominance?
A. A pea plant being tall or short
B. A flower being red or white
C. Erminette chickens having black and white feathers
D. A human having blue or brown eyes
What is the probability of a heterozygous offspring from two heterozygous parents for a single trait?
A. 25%
B. 50%
C. 75%
D. 100%
The term that relates to physical characteristics that are studied in genetics.
A. traits
B. offspring
C. generations
D. hybrids
What are the different forms of a gene called?
A. Traits
B. Chromosomes
C. DNA
D. Alleles
Which of the following best describes a heterozygous genotype?
A. Two identical alleles for a trait
B. Two different alleles for a trait
C. An organism without alleles
D. Two dominant alleles for a trait
How many alleles (letters) do each person carry for a trait?
A. 1
B. 2
C. 3
D. 4
What is the passing of traits from parents to offspring called?
A. Alleles
B. Crossbreeding
C. Genetics
D. Heredity
Which of the following is a phenotype?
A. Aa
B. red hair
C. heterozygous
D. DNA
A mutation is
A. any change that is harmful
B. any change in a gene or chromosome
C. any change that is helpful
D. any change in the phenotype
The likelihood that a particular event will occur is
A. Genetics
B. Probability
C. Heredity
D. a ratio
What is the probability of producing a tall plant from two heterozygous tall pea plants?
A. 25%
B. 50%
C. 75%
D. 100%
The study of heredity and the variation of inherited characteristics
A. gene
B. genetics
C. meiosis
D. hybrid
Two identical alleles for a trait is known as
A. homozygous
B. heterozygous
C. mutation
D. codominance
What you see, or the physical appearance.
A. Genotype
B. Phenotype
C. Homozygous
D. Heterozygous
Which describes a genotype with two identical alleles for a trait, such as PP?
A. heterozygous
B. homozygous
Which of the following would show a recessive trait?
A. B
B. b
How did Mendel ensure the parent plants were purebred?
A. By using chemical treatments
B. They always produced offspring with the same form of the trait
C. Through selective feeding
D. By genetic modification
Who is considered the Father of Genetics?
A. Albert Einstein
B. Gregor Mendel
C. Isaac Newton
D. Charles Darwin
Which term describes the physical appearance of a trait?
A. Genotype
B. Phenotype
C. Allele
D. Chromosome
When was Mendel’s work rediscovered?
A. 1950
B. 1866
C. 1900
D. 1925
Which scenario is an example of codominance?
A. A flower that is either red or white depending on its genotype
B. A cat that is only black regardless of its parents’ colors
C. A cow with both red and white patches on its fur
D. An individual with type O blood
Which of the following would show a dominate trait?
A. B
B. b
What generation were the offspring that were all tall in Mendel’s experiment?
A. G generation
B. F2 generation
C. F1 generation
D. P generation
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