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WorksheetsAP BIO test review
Total questions: 29
Worksheet time: 1hrs 4mins
Name
Class
Date
1.
Imagine you are performing a cross involving seed color in garden pea plants. What F1 offspring would you expect if you cross true-breeding parents with green seeds and yellow seeds? Yellow seed color is dominant over green.
a)
100 percent yellow-green seeds
b)
100 percent yellow seeds
c)
50 percent yellow, 50 percent green seeds
d)
25 percent green, 75 percent yellow seeds
2.
A recessive trait will be observed in individuals that are ________ for that trait.
a)
heterozygous
b)
homozygous or heterozygous
c)
homozygous
d)
diploid
3.
Meiosis results in ______.
a)
4 genetically distinct haploid gametes
b)
2 genetically distinct cells
c)
2 genetically identical cells
d)
4 genetically identical cells
4.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
5.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
6.
One of the main reasons genes assort independent of one another is that
a)
they produce unrelated traits
b)
they produce related traits
c)
they are on the same chromosome
d)
they are on different chromosomes.
7.
Chromosomes that do NOT play a role in determining the sex of an individual are called
a)
sex chromosoems
b)
X and Y
c)
autosomes
d)
A and B are correct
8.
Which stages show is most responsible for the variation caused by independent assortment
a)
A
b)
D
c)
H
d)
J
9.
What chromosomal abnormality causes Down's Syndrome?
a)
Trisomy 47
b)
Trisomy 46
c)
Trisomy 21
d)
Trisomy 23
10.
The red and blue pair of chromosomes in the bottom row are
a)
genetically identical
b)
carrying the same genes, but different alleles
c)
carrying completely different genes
d)
carrying the same genes and the same alleles
11.
A person with Turner syndrome has only one X chromosome. This means one of their gametes was missing a chromosome.
Which of the following is why gametes sometimes lack a complete chromosome?
Which of the following is why gametes sometimes lack a complete chromosome?
a)
Incomplete dominance
b)
Nondisjunction
c)
Inversion mutation
d)
Substitution mutation
12.
Gametes are _________.
a)
Diploid
b)
Haploid
c)
Aneuploid
d)
variably ploidy
13.
Tendency for alleles of genes on the same chromosome to be inherited together
a)
genetic linkage
b)
genetics
c)
Punnett square
d)
gene locus
14.
If an organism’s diploid number is 12, its haploid number is
a)
6.
b)
12.
c)
24.
d)
3.
15.
Gametes are produced by the process of
a)
meiosis.
b)
mitosis.
c)
replication.
d)
crossing-over.
16.
What are the variations of a gene called?
a)
dominant genes
b)
progeny
c)
alleles
d)
homologues
17.
Suppose that in sheep, a dominant allele (B) produce black hair and a recessive allele (b) produce white hair. If you saw a black sheep, you would be able to identify
a)
its phenotype for hair color
b)
its genotype for hair color
c)
the genotype of only one of its parents
d)
the phenotype of both of its parents
18.
A gene for a particular trait is only expressed in the presence of another gene of the same kind is called a(n)
a)
dominant gene
b)
co-dominant gene
c)
incompletely dominant gene
d)
recessive gene
19.
In pea plants, the allele for smooth seeds (S) is dominant of the allele for wrinkled seeds (s). In an experiment, when two hybrids (Ss) are crossed, what percent of the offspring share the same genotype as the parents?
a)
0%
b)
25%
c)
50%
d)
75%
20.
If a female was a carrier for sex-linked color blindness, what percentage of her male children would also be color blind?
a)
0%
b)
25%
c)
50%
d)
100%
21.
The Hardy-Weinberg Model is?
a)
Available at local hobby stores and retailers throughout the Greater Cleveland area.
b)
A mathematical tool that biologists can use to predict allele frequencies and determine whether or not evolution is occurring within a population.
c)
Always occurring within populations of organisms in nature.
d)
Only useful in the lab and cannot be practically applied to real-world populations of organisms.
22.
Which of the following is NOT a condition for Hardy-Weinberg Equilibrium?
a)
No mutations
b)
Random Mating
c)
No natural selection
d)
No offspring
23.
What does the Hardy-Weinberg equilibrium measure?
a)
changes in allele frequencies
b)
numbers of mutations
c)
goodness of fit
d)
genetic diversity
24.
Which significance level
(column) do you look at when finding the critical value?
(column) do you look at when finding the critical value?
a)
.50
b)
.10
c)
.05
d)
.01
25.
How do you find degrees of freedom?
a)
one less than the possible genotypes
b)
one less than the possible phenotypes
c)
total number divided 2
d)
total number times 2
26.
Observed in the wild are 10 circles, 20 squares and 30 triangles. The ratio for this particular population is 2:3:5
observed: 10 circles expected: 12
observed 20 squares expected : 18
observed 30 triangles expected: 30
What is the degrees of freedom?
observed: 10 circles expected: 12
observed 20 squares expected : 18
observed 30 triangles expected: 30
What is the degrees of freedom?
a)
1
b)
2
c)
3
d)
4
27.
What are the degrees of freedom for the following χ² test?
a)
6
b)
2
c)
5
d)
36
28.
How do you find the expected number?
a)
ratio from punnett square multiplied to total
b)
ratio from punnett square divided by total
c)
ratio from punnett square multiplied by observed number
d)
ratio from punnett square minus observed number
29.
Observed in the wild are 10 circles, 20 squares and 30 triangles. The ratio for this particular population is 2:3:5
observed: 10 circles expected: 12
observed 20 squares expected : 18
observed 30 triangles expected: 30
Chi square + 5.96
Would you accept or reject?
observed: 10 circles expected: 12
observed 20 squares expected : 18
observed 30 triangles expected: 30
Chi square + 5.96
Would you accept or reject?
a)
accept
b)
reject
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