ap biology exam review put your knowledge to the test enter the gamehow to play
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AP Biology Exam Review
Put Your Knowledge to the Test
Enter the Game How to play
How This Works
• Read the Question• Click on the button of the right answer
• If you are wrong you go back to the start, if you answer correctly, you move on.
**Click on the buttons only, not the page*** Enter the Game
Genetics
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Genetics Continued
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34
1. What are Mendel’s Laws?
A Law of Segregation
B
C
Law of Independent assortment
Both Law of Segregation and Law of Independent Assortment
BACK TO QUESTION
Right!!!!!!!!• Both the Law of Segregation and the Law of
Independent Assortment are included in Mendel’s Law
• The Law of Segregation states that each allele segregates separately. One of each homologous chromosomes goes to each new cell.
• The Law of Independent Assortment states that in a dihybrid cross, each trait is independent of the other.
BACK TO GENETICS PAGE
2. What is a Locus?
A
B
C
The copied strand of the chromosome.
Exact location on a chromosome where a gene is located.
The offspring generation
BACK TO QUESTION
Right!!!!!!!!
• A locus is the exact location on a chromosome where a gene is located
BACK TO GENETICS PAGE
3. What is progeny?
A
B
C
The offspring generation
The parent generation
A sex influenced trait
BACK TO QUESTION
RIGHT!• Progeny is the offspring generation
of a test cross
BACK TO GENETICS PAGE
4. What is a homologous pair?
A
C
B
Every cell contains two copies of each chromosome
The chromosome and its copy
The original pair of chromosomes
BACK TO QUESTION
***RIGHT***• In a homologous pair, every cell contains
two copies of each chromosome
BACK TO GENETICS PAGE
5. Define an x-inactivation
B
A
C One of the x chromosomes does not uncoil into chromatin, it becomes a barr body instead.
A genetic defect on the x chromosome
The x chromosome replicates uncontrollable
BACK TO QUESTION
CORRECT
• X-inactivation is when one of the x chromosomes does not uncoil into chromatin and becomes a barr body instead
BACK TO GENETICS PAGE
6. What is a test cross?
A
C
B
A cross between any two pair of alleles to find the progeny
When you are trying to figure out what the make up of the allele is, A_ (either A or a), and you cross it with a pure recessive allele
A test between progeny to find the parent generation
BACK TO QUESTION
Yeah!! A test cross is when you are trying to
figure out what the make up of the allele is, A_ (either A or a), and you cross it with a pure recessive allele
BACK TO GENETICS PAGE
7. In the genus Homo sapien, who is the heterogametic sex?
A
B
C Male
Female
Either sex could be the heterogametic sex
BACK TO QUESTION
~RIGHT~
• In the genus Homo sapien, the male is the heterogametic sex
BACK TO GENETICS PAGE
8. In the genus Homo sapien, who is the homogametic sex?
A
B
C
Female
Male
Either sex could be the homogametic sex
NOPE, TRY AGAIN!
BACK TO QUESTION
ALRIGHT!
• In the genus Homo sapien, the female is the homogametic sex
BACK TO GENETICS PAGE
9. What is the genotype of the blood type A?
A
B
C AA and AO
AB and AO
AA and AB
Sorry, Sorry, wrong wrong answeranswer
BACK TO QUESTION
RIGHT!!
• The genotype of blood type A is AA or AO
BACK TO GENETICS PAGE
10. What is the genotype of the blood type B?
A
B
C
BB and BO
BB and AB
AB and BO
WRONGWRONG
BACK TO QUESTION
YEP!
• The genotype for blood type B is BO or BB
BACK TO GENETICS PAGE
11. What is the genotype of the blood type AB?
A
B
C
AB
AB and AO
AA and AB
~TRY AGAIN~
BACK TO QUESTION
***RIGHT***• The genotype for blood type AB is AB
BACK TO GENETICS PAGE
12. What is the genotype of the blood type O?
A
B
C
OO
OO and BO
AO and OO
Try Again!
BACK TO QUESTION
CORRECT!!!!CORRECT!!!!• The Genotype for blood type O is OO
BACK TO GENETICS PAGE
13. What is pleiotrophy?
A
B
C
An inactive gene
A single gene which has multiple effects
A recessive gene that shows in the phenotype
BACK TO QUESTION
RIGHTRIGHT• Pleiotrophy is a single gene which has
multiple effects
• An example would be Siamese cats
BACK TO GENETICS PAGE
14. What is epistasis?
A
B
C Two recessive genes which cause dominance not to show
A gene that expressed in the genotype but not shown in the phenotype
A gene which effects multiple characteristics
Go Back and Try Again!Go Back and Try Again!
BACK TO QUESTION
You’re Right!!!You’re Right!!!• An epistasis is two recessive genes that
cause dominance not to show
• An example would be snapdragons
BACK TO GENETICS PAGE
15. What is polygenic inheritance?
A
B
C
A single gene which has multiple effects
A gene which shows no characteristics
A dominant trait that is not expressed
Nope, try again
Nope, try again
BACK TO QUESTION
RIGHT!!!RIGHT!!!• Polygenic Inheritance is a single gene
which has multiple effects
• An example would be in skin color and height
BACK TO GENETICS PAGE
16. An environmentally produced phenotype that
stimulates the effects of a particular gene is called:
A
B
C A Phenocopy
Industrial Melanism
Genetic Drift
SORRY, GO BACK !!!
SORRY, GO BACK !!!
BACK TO QUESTION
Correct!!!!• An environmentally produced phenotype
that stimulates the effects of a particular gene is called a phenotype
• Examples are tranquilizer
BACK TO GENETICS PAGE
17. Which genetic defect is the inability to break
down phenylalanine?
B
A
C
Phenylketonuria
Tay-Sach’s Syndrome
Huntington Disease
WRONGWRONG
BACK TO QUESTION
RIGHTRIGHT• The genetic disease that effects the
inability to break down phenylalanine is phenylketonuria.
BACK TO GENETICS PAGE
18. Which genetic defect is characterized by lipids causing nervous system
disorder?
A
B
C
Tay-Sachs Syndrome
Phenylketonuria
Huntington Disease
Go Back and Try Again!Go Back and Try Again!
BACK TO QUESTION
***RIGHT***• Tay-Sachs syndrome is characterized by
lipids causing a nervous system disorder.
BACK TO GENETICS PAGE
19. Which genetic disease starts at middle age with
mild mental illness?
A
B
C Huntington disease
Tay-Sach’s Syndrome
Cystic Fibrosis
Nope, try again
Nope, try again
BACK TO QUESTION
~RIGHT~~RIGHT~• Huntington disease is a genetic disease
which starts at middle age with mild mental illness.
BACK TO GENETICS PAGE
20. Which genetic defect has sickle shaped cells and abnormal hemoglobin?
A
B
C Sickle cell anemia
Down Syndrome
Cystic Fibrosis
Sorry, wrong answer
Sorry, wrong answer
BACK TO QUESTION
Correct!!!!• Sickle cell anemia is characterized by
sickle shaped cells and abnormal hemoglobin.
BACK TO GENETICS PAGE
21. Which genetic disease causes problems with blood
clotting?
A
B
C
Hemophilia
Sickle Cell Anemia
Cystic Fibrosis
NO WAY!!NO WAY!!
BACK TO QUESTION
RIGHT• Hemophilia is a genetic disease which
causes problems with blood clotting.
BACK TO GENETICS PAGE
22. What is the inability to distinguish red from
green?
A
B
C Red-green colorblindness
Sickle Cell Anemia
Hemophilia
SORRY, TRY AGAINSORRY, TRY AGAIN
BACK TO QUESTION
CORRECT• Red-green colorblindness is a genetic
disorder which is characterized by the inability to distinguish red from green.
BACK TO GENETICS PAGE
23. What genetic disease is known as trisomy21?
A
B
C
Down’s Syndrome
Tay-Sach’s Syndrome
Red-Green Colorblindness
**TRY AGAIN****TRY AGAIN**
BACK TO QUESTION
GOOD JOB• The genetic disease also know as trisomy
21 is Down’s Syndrome.
BACK TO GENETICS PAGE
24. Which genetic disease causes the deteriorating
of muscles?
A
B
C
Duchene’s Muscular Dystrophy
Cystic Fibrosis
Down’s Syndrome
NOPENOPE
BACK TO QUESTION
RIGHT!!!• Duchene’s Muscular Dystrophy is a
genetic disease which causes the deteriorating of muscles.
BACK TO GENETICS PAGE
25. Which genetic disease is caused by an X, X, and
Y chromosome?
A
B
C
Klinefelton syndrome
Down’s Syndrome
Criduchat
WRONG ANSWERWRONG ANSWER
BACK TO QUESTION
CORRECTCORRECT• The genetic disease caused by an XXY
chromosome is Klinefelton syndrome
BACK TO GENETICS PAGE
26. Which genetic disease is characterized by a cat-
like cry?
A
B
C
Criduchat
Down’s Syndrome
Hemophilia
**TRY AGAIN**
BACK TO QUESTION
ALRIGHT!• The genetic disease characterized by a
cat-like cry is Criduchat.
BACK TO GENETICS PAGE
27. What is deletion?
A
B
C Sections of the chromosome are deleted
Sections of the chromosome are inverted
Sections of the chromosome are duplicated
Try againTry again
BACK TO QUESTION
RIGHT!!!!• Deletion happens when sections of the
chromosomes are deleted.
BACK TO GENETICS PAGE
28. What is inversion?
A
B
C
Sections of the chromosome are switched
Sections of the chromosome are duplicated
Sections of the chromosome are deleted
Sorry, Wrong Answer
BACK TO QUESTION
Yep!• Inversion is when sections of the
chromosome are switched.
BACK TO GENETICS PAGE
29. What is translocation?
A
B
C
A section of one chromosome switches with a section of another chromosome
Sections of the chromosome are switched
A section of the chromosome is deleted
Try againTry
againBACK TO QUESTION
Good answer• Translocation is when a section of one
chromosome switches with another chromosome.
BACK TO GENETICS PAGE
30. What is duplication?
A
B
C Sections of a chromosome replicate more than once
Sections of the chromosome are deleted
Sections of the chromosome are switched
Wrong AnswerWrong Answer
BACK TO QUESTION
Alright!• Duplication is when sections of a
chromosome are duplicated more than once.
BACK TO GENETICS PAGE
31. What is nondisjunction?
A
B
C
The homologous chromosomes do not separate at interphase
There is a duplication of the chromosome
One X chromosome is duplicated in chromosome 23
SORRY, TRY AGAINSORRY,
TRY AGAIN
BACK TO QUESTION
GOOD JOB• Nondisjunction is when the homologous
chromosomes do not separate at interphase.
BACK TO GENETICS PAGE
32. What is expressivity?
A
B
C
The degree to which a particular gene is expressed
There is a duplication of chromosome 21
Recessive genes are expressed instead of dominant genes
Go back and try again
BACK TO QUESTION
RIGHT!!!• Expressivity is the degree to which a
particular gene is expressed.
• An example would be sickle cells
BACK TO GENETICS PAGE
33. What is polyploidy?
A
B
C
There are more than two complete sets of chromosomes
Chromosome 21 duplicates more than once
The X chromosome is expressed twice along with a Y chromosome
NOPE, GO BACK
BACK TO QUESTION
RIGHT!!!• Polyploidy is when there are
more than two complete sets of chromosomes.
BACK TO GENETICS PAGE
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