1. Unit 8- Meiosis & Mendel Clicker Review
Get a sheet of paper and number Write down your answers and check them on the last slide

2. 1. Who was the Father of Genetics?
Charles Darwin
Robert Hooke
Greger Mendel
Robert Brown
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3. 2. What is this process? Mitosis Fertilization Meiosis endocytosis
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4. 3. The end result of the following diagram is…
Cells divide only once
The cells produced at the end are genetically identical to the parent cell
The cells produced at the end contain double the number of chromosomes as the parent cell
The cells produced at the end contain half the number of chromosomes as the parent cell

5. 4. What is occurring at C Fertilization Meiosis Mitosis Growth
All of the above

6. 5. The characteristics that an organism receives from its parents are known as
heredity
biology
mitosis
meiosis

7. 6. What is the difference between self pollination and cross-pollination?
Self- plants pollinate themselves while cross- plants will pollinate other plants
Self- plants will pollinate other plants while cross- plants will pollinate themselves
Plants can not pollinate themselves
All of the above

8. 7. What is the P generation
Parent generation
The pure generation
Example: TT x tt
All of the above

9. 8. When during meiosis, do Homologous chromosomes line up down the middle of the cell?
Prophase 1
Metaphase 1
Prophase 2
Metaphase 2

10. 9. A flower with the genotype TtRr is crossed with TTrr
9. A flower with the genotype TtRr is crossed with TTrr. How many genotypes are there? 1 2 3 4
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11. 10. What is occurring at E? Fertilization Meiosis Mitosis Growth
All of the above
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12. 11. What is genotype The way an organism looks
The genetic make up of an organism
The organism’s letters
Both B & C
All of the above
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13. 12. BbSs x bbSS All offspring will have white fur
All offspring will have short-haired fur
All offspring will have black fur
All offspring will have long-haired fur
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14. 13. In the fruit fly the heart cell has 8 chromosomes, so the gamete will have4 8 16 64
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15. 14. In some species of flowers if you cross a Red flower (R) with a White flower (W) you can get a pink flower. This is an example of
co-dominance
incomplete dominance
polygenic traits
multiple alleles
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16. 15. What process makes A & B Fertilization Meiosis Mitosis Growth
All of the above
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17. 16. In some species of monsters if you cross a Black monster (B) with a white monster (W) you can get a black and white monster (BW). This is an example of
co-dominance
incomplete dominance
polygenic traits
multiple alleles
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18. 17. What is D?
gamete
zygote n
Sex cell
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19. 18. B= Black b= blue What is the phenotype of # 4
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20. 19. Green is dominant to yellow
19. Green is dominant to yellow. Cross a homozygous dominant with a yellow
Genotype- 0:4:0 Phenotype- 4:0
Genotype- 4:0:0 Phenotype- 4:0
Genotype- 1:2:1 Phenotype- 3:1
Genotype- 4:0 Phenotype- 0:4:0
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21. 20. In Mitosis the end result is ________ cells with ______ amount of chromosomes
2 ; same
4 ; same
2 ; half
4 ; half
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22. 21. Blue is dominant to green Cross 2 heterozygous
Genotype- 0:4:0 Phenotype- 4:0
Genotype- 4:0:0 Phenotype- 4:0
Genotype- 1:2:1 Phenotype- 3:1
Genotype- 4:0 Phenotype- 0:4:0
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23. 22. Traits that are controlled by more than one gene are
Polygenic
Recessive
Dominant
Multiple allele
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24. 23. In humans if you cross a person with curly hair (C) and a person with straight hair (S) you get a person wavy hair (CS). Cross a wavy hair person with a straight hair.
100% straight hair
100% curly hair
0% curly, 50% wavy, 50% straight
25% curly, 50% wavy, 25% straight
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25. 24. A genetic disorder due to a recessive allele (a) is lethal in homozygous individuals (aa), whereas heterozygous individuals (Aa) have no symptoms. Based on this information, which of the following is likely to result?
The disorder will quickly be eliminated since no recessive homozygotes will survive to reproduce
The disorder will be maintained in the population through the reproduction of heterozygotes
Only homozygous dominant (AA) individuals will survive
The prevalence of the disorder will increase over time
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26. 25. What ratio of the offspring will be homozygous recessive for the trait of tallness if you cross TT x TT?
0 in 4
1 in 4
2 in 4
4 in 4
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27. 26. In cats, 6 toes (T) is dominant to 5 toes (t)
26.In cats, 6 toes (T) is dominant to 5 toes (t). A heterozygous cat is mated with a heterozygous cat. What is the expected phenotype of the kittens?
100% 5 toes
75% 6 toes and 25% 5 toes
50% 6 toes and 50% 5 toes
100% 6 toes
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28. 27. In Meiosis the end result is ________ cells with ______ amount of chromosomes
2 ; same
4 ; same
2 ; half
4 ; half
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29. 28. Hitchhiker’s thumb (H) is dominant to no hitchhiker’s thumb (h)
28. Hitchhiker’s thumb (H) is dominant to no hitchhiker’s thumb (h). A woman who does not have hitchhiker’s thumb marries a man who is homozygous for hitchhiker’s thumb. What is the probable genotypic ratio of their children?
0% Hh : 100% hh
50% Hh : 50% hh
75% Hh : 25% hh
100% Hh : 0% hh
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30. 29. Different forms of a gene are known as
meiosis
Chromosomes
Alleles
DNA
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31. 30. When during meiosis does this occur?
Prophase 1
Prophase 2
Metaphase 1
Metaphase 2

32. 31. If a female rat homozygous dominant for black fur color is mated with a male homozygous for white fur color, in a litter of four offspring, there would probably be
4 black
2 black and 2 white
3 black and 1 white
0 black and 4 white
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33. BBRr x Bbrr Bbrr x bbRr bbRR x Bbrr BbRr x bbrr
32. In mice, the dominant coat color is black and the recessive coat color is white and the dominant eye color is red and the recessive eye color is brown. If you were to cross one mouse that was heterozygous for coat color with brown eyes with a mouse that was white and heterozygous for eye color, give the correct genotype for this cross.
BBRr x Bbrr
Bbrr x bbRr
bbRR x Bbrr
BbRr x bbrr
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34. 33. If you cross a yellow monster with a blue monster you get a green monster. What are the possible phenotypes if you crossed a green monster with a green monster?
100% green monsters
25% Yellow, 50% green, 25% blue
50% green, 50% blue
50% yellow, 50% blue
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35. 34. B= Black b= blue What is the genotype of # 1
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36. Answers C D A B

37. Your Grade: 97% 65% 32% 94% 62% 29% 91% 59% 26% 88% 56% 24% 85% 53%
21%
82%
50%
18%
79%
47%
15%
76%
44%
12%
74%
41% 9%
71%
38% 6%
68%
35% 3