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Transcript
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
1
2
3
4
5
6
7
8
9
10 11 12
13 14 15 16 17 18
19 20 21 22 23 24
Genetics Continued
25 26 27 28 29
30 31 32 33 34
35
1. What are Mendel’s Laws?
A
Law of Segregation
B
Law of Independent assortment
C
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
The copied strand of the
chromosome.
B
Exact location on a chromosome
where a gene is located.
C
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
The offspring generation
B
The parent generation
C
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
Every cell contains two
copies of each
chromosome
B
The chromosome and its
copy
C
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
A
B
C
A genetic defect on the x
chromosome
The x chromosome replicates
uncontrollable
One of the x chromosomes does not
uncoil into chromatin, it becomes a
barr body instead.
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
A cross between any two pair
of alleles to find the progeny
B
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
C
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
Female
B
Either sex could be the
heterogametic sex
C
Male
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
Female
B
Male
C
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
AA and AB
B
AB and AO
C
AA and AO
Sorry, wrong
answer
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
BB and BO
B
BB and AB
C
AB and BO
WRONG
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
AB and AO
B
AB
C
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
OO and BO
B
OO
C
AO and OO
Try Again!
BACK TO QUESTION
CORRECT!!!!
• The Genotype for blood type O is OO
BACK TO GENETICS PAGE
13. What is pleiotrophy?
A
An inactive gene
B
A single gene which has
multiple effects
C
A recessive gene that shows
in the phenotype
BACK TO QUESTION
RIGHT
• 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
A gene that expressed in the
genotype but not shown in the
phenotype
A gene which effects
multiple characteristics
Two recessive genes which
cause dominance not to
show
Go Back and
Try Again!
BACK TO QUESTION
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
A single gene which has
multiple effects
B
A gene which shows no
characteristics
C
A dominant trait that is not
expressed
Nope, try
again
BACK TO QUESTION
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
Genetic Drift
B
Industrial Melanism
C
A Phenocopy
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?
A
Tay-Sach’s Syndrome
B
Phenylketonuria
C
Huntington Disease
WRONG
BACK TO QUESTION
RIGHT
• 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
Tay-Sachs Syndrome
B
Phenylketonuria
C
Huntington Disease
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
Tay-Sach’s Syndrome
B
Cystic Fibrosis
C
Huntington disease
Nope, try
again
BACK TO QUESTION
~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
Down Syndrome
B
Cystic Fibrosis
C
Sickle cell anemia
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
Sickle Cell Anemia
B
Hemophilia
C
Cystic Fibrosis
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
Sickle Cell Anemia
B
Hemophilia
C
Red-green
colorblindness
SORRY,
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
Down’s Syndrome
B
Tay-Sach’s Syndrome
C
Red-Green Colorblindness
**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
Cystic Fibrosis
B
Duchene’s Muscular
Dystrophy
C
Down’s Syndrome
NOPE
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
Klinefelton syndrome
B
Down’s Syndrome
C
Criduchat
WRONG
ANSWER
BACK TO QUESTION
CORRECT
• 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
Criduchat
B
Down’s Syndrome
C
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 inverted
Sections of the chromosome are
duplicated
Sections of the chromosome
are deleted
Try again
BACK TO QUESTION
RIGHT!!!!
• Deletion happens when sections of the
chromosomes are deleted.
BACK TO GENETICS PAGE
28. What is inversion?
A
Sections of the chromosome are
switched
B
Sections of the chromosome
are duplicated
C
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
A section of one chromosome switches
with a section of another chromosome
B
Sections of the chromosome are
switched
C
A section of the chromosome is
deleted
Try again
BACK 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
Sections of the chromosome are
deleted
B
Sections of the chromosome are
switched
C
Sections of a chromosome
replicate more than once
Wrong
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
There is a duplication of the
chromosome
The homologous chromosomes do not
separate at interphase
One X chromosome is duplicated
in chromosome 23
SORRY,
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
Chromosome 21 duplicates
more than once
B
There are more than two complete sets
of chromosomes
C
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