Mendel & Heredity

Question 1

1. What is Gregor Mendel known as?
   a) Father of Biology
   b) Father of Genetics
   c) Father of Mathematics
   d) Father of Meteorology

Answer 1

b) Father of Genetics

Question 2

2. What type of plant did Mendel use for his experiments?
   a) Tomato plants
   b) Pea plants
   c) Sunflower plants
   d) Wheat plants

Answer 2

b) Pea plants

Question 3

3. In which year was Mendel born?
   a) 1800
   b) 1822
   c) 1851
   d) 1863

Answer 3

b) 1822

Question 4

4. Where did Mendel study science and mathematics?
   a) University of Vienna
   b) University of Oxford
   c) University of Cambridge
   d) University of Paris

Answer 4

a) University of Vienna

Question 5

5. What is the study of heredity known as?
   a) Meteorology
   b) Genetics
   c) Mathematics
   d) Biology

Answer 5

b) Genetics

Question 6

6. Which of the following is NOT a character observed by Mendel in pea plants?
   a) Pod Color
   b) Stem Height
   c) Leaf Shape
   d) Flower Color

Answer 6

c) Leaf Shape

Question 7

7. What is a true-breeding plant?
   a) A plant that has two different traits
   b) A plant that is pure for a trait
   c) A plant that cannot reproduce
   d) A plant with no traits

Answer 7

b) A plant that is pure for a trait

Question 8

8. What generation were the offspring of the P1 generation labeled as?
   a) F0
   b) F1
   c) F2
   d) P2

Answer 8

b) F1

Question 9

9. What is an allele?
   a) A type of insect
   b) A type of flower
   c) A form of a gene
   d) A type of stem

Answer 9

c) A form of a gene

Question 10

10. Which allele is always expressed when present?
    a) Dominant allele
    b) Recessive allele
    c) Hybrid allele
    d) Mutant allele

Answer 10

a) Dominant allele

Question 11

11. What is the physical expression of an individual’s genotype called?
    a) Genotype
    b) Allele
    c) Phenotype
    d) Hybrid

Answer 11

c) Phenotype

Question 12

12. How many alleles do we inherit for each trait from each parent?
    a) One
    b) Two
    c) Three
    d) Four

Answer 12

b) Two

Question 13

13. What is the genotype for a plant with two identical alleles?
    a) Homozygous
    b) Heterozygous
    c) Monohybrid
    d) Dihybrid

Answer 13

a) Homozygous

Question 14

14. What tool predicts the outcomes of genetic crosses?
    a) Punnett Square
    b) Mendelian Box
    c) Genetic Chart
    d) Allelic Diagram

Answer 14

a) Punnett Square

Question 15

15. What is a monohybrid cross?
    a) A cross between individuals involving one trait
    b) A cross between individuals involving multiple traits
    c) A cross between different species
    d) A cross between siblings

Answer 15

a) A cross between individuals involving one trait

Question 16

16. What is incomplete dominance?
    a) One allele completely dominates another
    b) Both alleles for a trait are fully expressed
    c) Alleles have no effect
    d) Alleles blend together

Answer 16

d) Alleles blend together

Question 17

17. Which blood type is an example of codominance in humans?
    a) Type A
    b) Type B
    c) Type AB
    d) Type O

Answer 17

c) Type AB

Question 18

18. How many alleles does an individual have for a trait in multiple alleles?
    a) One
    b) Two
    c) Three
    d) Four

Answer 18

c) Three

Question 19

19. What was the ratio of purple to white flowers in Mendel’s F2 generation?
    a) 1:1
    b) 3:1
    c) 1:3
    d) 2:1

Answer 19

b) 3:1

Question 20

20. Which part of the flower is responsible for producing pollen?
    a) Stigma
    b) Style
    c) Anther
    d) Ovary

Answer 20

c) Anther

Question 21

21. What is the male reproductive organ of a flower?
    a) Stigma
    b) Anther
    c) Ovary
    d) Style

Answer 21

b) Anther

Question 22

22. What is the female reproductive organ of a flower?
    a) Anther
    b) Stigma
    c) Filament
    d) Sepal

Answer 22

b) Stigma

Question 23

23. What is the correct sequence of structures from stigma to ovary?
    a) Stigma, Style, Ovary
    b) Ovary, Style, Stigma
    c) Style, Stigma, Ovary
    d) Stigma, Ovary, Style

Answer 23

a) Stigma, Style, Ovary

Question 24

24. What is self-pollination?
    a) A flower pollinates itself or another flower on a different plant
    b) A flower pollinates itself or another flower on the same plant
    c) A flower pollinates only once
    d) A flower pollinates only at night

Answer 24

b) A flower pollinates itself or another flower on the same plant

Question 25

25. What is cross-pollination?
    a) A flower pollinates itself
    b) A flower pollinates another flower on the same plant
    c) A flower pollinates another flower on a different plant
    d) A flower pollinates a non-flowering plant

Answer 25

c) A flower pollinates another flower on a different plant

Question 26

26. What is the physical expression of one’s genotype?
    a) Genotype
    b) Phenotype
    c) Allele
    d) Hybrid

Answer 26

b) Phenotype

Question 27

27. What type of cross involves one trait?
    a) Dihybrid cross
    b) Monohybrid cross
    c) Trihybrid cross
    d) Polychybrid cross

Answer 27

b) Monohybrid cross

Question 28

28. Which allele does not completely dominate another in incomplete dominance?
    a) Dominant allele
    b) Recessive allele
    c) Heterozygous allele
    d) Codominant allele

Answer 28

a) Dominant allele

Question 29

29. Which of the following is NOT an example of Mendel’s characters observed in pea plants?
    a) Pod Color
    b) Flower Color
    c) Leaf Shape
    d) Stem Height

Answer 29

c) Leaf Shape

Question 30

30. What did Mendel first use for his experiments?
    a) True-breeding plants
    b) Hybrid plants
    c) Mutant plants
    d) Wild plants

Answer 30

a) True-breeding plants