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Name: ____________________________________
Heredity
Date: _______________
Period: _____
Mr. Vorstadt
Take Home Quiz B
_____ 1. __________ is the process Mendel used to pollinate flowers of short plants with pollen
from tall plants.
a. cross-pollination b. self-pollination c. mitosis d. fertilization
_____ 2. Which of these describes how an organism looks?
a. its phenotype b. its hybrid c. its zygote
d. its genotype
_____ 3. Which is a tool that is used to predict genetic crosses?
a. a Punnett square b. a tally sheet c. a slide rule
_____ 4. Genes are found on
a. chromosomes
b. cells
c. proteins
d. a Venn diagram
d. anthers
_____ 5. Which of these is an organism that produces the same trait in every generation?
a. a pea plant b. a purebred
c. a hybrid d. a chromosome
_____ 6. __________ studies how traits are inherited through the interactions of alleles.
a. probability b. mitosis c. genetics regeneration
_____ 7. If you cross a white flower (with the genotype pp) with a purple flower (with the
genotype PP), what would the phenotypes be?
a. all white b. all tall c. all purple d. ½ white, ½ purple
_____ 8. If you cross a white flower (with the genotype pp) with a purple flower (with the
genotype PP), the possible genotypes of the offspring are
a. PP and pp b. all Pp c. all PP d. all pp
_____ 9. The process that produces sex cells is
a. mitosis b. photosynthesis c. meiosis
d. probability
_____ 10. The passing of traits from parent to offspring is
a. probability b. heredity c. recessive d. meiosis
_____ 11. Probability is
a. always expressed as a ratio.
b. a 50% chance that the event will occur.
c. the mathematical chance that an event will occur.
d. a 3:1 chance that an event will occur.
_____ 12. In meiosis,
a. the chromosomes are copied twice.
b. the nucleus divides once.
c. four cells are produced from a single cell. d. All the above.
_____ 13. If you cross two rabbits that have the genotype Bb, how many possible genotypes can
be formed it the offspring?
a. one b. two c. three d. four
_____ 14. The two forms of a gene are known as
a. alleles b. chromosomes c. genotype
d. sex cells
_____ 15. If a purple flower with the genotype Pp (P = purple; p = white) self-pollinates, the
ratio of purple offspring to white offspring would be
a. three purple : one white b. two purple : two white
c. one purple : three white d. four purple : zero white
_____ 16. How many chromosomes are present is a normal human sex cell?
a. 22 b. 23 c. 46 d. 92
_____ 17. Probability is
a. always less than 50%
c. always an even more
b. the mathematical chance that an event will occur
d. All of the above
_____ 18. When a true-breeding plant self-pollinates,
a. it will always produce offspring with the same traits the parent plant has
b. it will never produce offspring with the same traits the parent plant has
c. it will only occasionally produce offspring with the same traits that the parent
plant has.
d. the daughter plant is a mutation of the parent plant
_____ 19. __________ used plants to study the way traits are passed from parent to offspring.
a. Mendel b. Punnett c. Sutton d. Allele
_____ 20. The organism’s appearance is known as its
a. heredity b. pedigree c. phenotype
d. genotype
_____ 21. Punnett squares are used by geneticists to determine the probability of different
offspring genotypes. In the one shown below, what letter(s) belong in the lower right
box?
a. a
b. AA
c. aa
d. Aa
_____ 22. In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?
a.
b.
c.
d.
25%
75%
100%
0%
_____ 23. In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?
a.
b.
c.
d.
75%
100%
25%
0%
_____ 24. In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being white?
a.
b.
c.
d.
25%
50%
75%
100%
_____ 25. In a certain species of plant, the color purple (P) is dominant to the color white (p).
According to the Punnett Square, what is the probability of an offspring being purple?
a.
b.
c.
d.
25%
75%
50%
100%
_____ 26. In a certain species of pine trees, short needles (S) are dominant to long needles (s).
According to the Punnett square, what is the probability of an offspring having short
needles?
a.
b.
c.
d.
50%
25%
75%
100%
_____ 27. In a certain species of pine trees, short needles (S) are dominant to long needles (s).
According to the Punnett square, what is the probability of an offspring having long
needles?
a.
b.
c.
d.
25%
50%
75%
100%
Match each term on the right with its definition on the left. Put the corresponding letter in the
blank to the left of each term.
a. Alleles paired together for a specific trait are identical
_____ 28. Alleles
_____ 29. Genotype
_____ 30. Phenotype
_____ 31. Heterozygous
_____ 32. Dominant
_____ 33. Recessive
_____ 34. Homozygous
_____ 35. Punnett square
_____ 36. Genetics
_____ 37. Traits
b. Characteristics that can be passed only from one living
thing to its young
c. An allele that is masked by another is…
d. All the forms of a gene for any given trait are…
e. When one allele masks the presence of another, the allele is…
f. Grid system used to determine possible genotypes of offspring
g. The genetic make-up, or combination, of an organism
h. The physical result of a gene combination
i. Alleles paired together that are different from each other
j. The study of heredity
38- 40 Complete the Punnett square below showing a cross between a hybrid black bunny (Bb)
with a pure white bunny (bb)
Genotype
% Bb _______
% bb _______
% BB _______
Phenotype
% White _______
% Black _______