WorksheetsAP Review (herdity, lab intro, lab review
Total questions: 50
Worksheet time: 30mins
Name
Class
Date
1.
What is the chance that 2 hybrid black-coated animals will produce a white offspring?
a)
0%
b)
25%
c)
50%
d)
75%
2.
What is the significance of a Barr Body?
a)
it is evidence of an inverted part of a chromosome
b)
its presence is diagnostic for Down syndrome
c)
it is evidence that crossing over has occured
d)
it is an inactivated z-chromosome
3.
When two flowers, a red one and a white one, are crossed, all the offspring will be pink. What percentage of offspring will be red if two of these pink flowers are crossed?
a)
0
b)
25
c)
50
d)
75
4.
If a trait like skin color varies along a continuum, the inheritance pattern is due to
a)
incomplete dominance
b)
codominance
c)
polygenic inheritance
d)
gene linkage
5.
Which of the following statements is correct about Down Syndrome
a)
it results from a mutation in a gene
b)
it is a rare autosomal recessive traits
c)
it is caused by genomic imprinting
d)
it results when homologous pairs of chromosomes do not separate correctly during meiosis
6.
You wish to carry out a chi-square test on the result of a genetics experiment where you expect four different colors of guinea pigs in the F1, generation: black, brown, mottled, and white. How many degrees of freedom are there in the experiment?
a)
4: include all outcomes
b)
3: include the number of different types of animals minus 1
c)
2: include only the homozygous dominant and homozygous recessive animals
d)
1: include only the recessive animals
7.
Which of the following is correct about restriction enzymes?
a)
they bind with specific sequences of DNA in order to identify the fragment of DNA
b)
their main purpose is to amplify strands of DNA
c)
in bacteria, they defend against attacks by viruses
d)
they silence genes
8.
The reason for a Chi-square test...
a)
is used to try to prove the expected wrong
b)
is to read transpiration
c)
to find the degrees of freedom
d)
enables you to compare your observed experimental data to what you expected and establishes whether the variation in the two is statistically the same or different
9.
What would not be used in the Artificial Selection lab?
a)
Mendel's theory's
b)
Histogram
c)
chi-square
d)
gene selection
10.
Hardy -Weinberg equation calculates...
a)
The frequency of genes in a stable population
b)
the frequency of alleles in a stable population
c)
the frequency of alleles throughout evolutionary change
d)
frequency of genes throughout an evolutionary change
11.
The BLAST is an algorithm that enables you to input gene sequences and research entire genomic libraries to..
a)
compare environmental affects on organisms
b)
to show geographical differences
c)
construct a cladogram using similarities and differences
d)
compare RNA
12.
Tendency of water to move across a semipermeable membrane
a)
water molarity
b)
water potential
c)
plasmolysis
d)
hypotonic
13.
Why do the leaves in photosynthesis lab sink to the bottom
a)
Oxygen is added to the leaves
b)
carbon dioxide is removed from the leaves
c)
air is removed from the leaves and replaced with by bicarbonate
d)
bicarbonate solution is released into the water causing the disc to sink
14.
Why is potassium hydroxide added to the respirometer during Respiration lab?
a)
Stop O2 from being given off by seeds
b)
catch O2 given off by respiring seeds
c)
to stop CO2 from being given off
d)
capture CO2 given off by respiring seeds
15.
What is not true of Mitochondrial diseases?
a)
affects muscles
b)
affects central nervous system
c)
damages the mechanism for ATP production
d)
found within the nucleus
16.
Statistical analysis can be used in cell division lab.
a)
true
b)
false
17.
What are the restriction enzymes used in the analysis of DNA
a)
EcoR1 and HindIII
b)
oxidoreductases, transferases
c)
ligases, transferases
d)
lyases
18.
Estimating the flow of energy from plants to cabbage butterfly larvae is fairly easy if given the values for mass and kcal of energy of the plant and larva. Precaution to take include
a)
never let Conner touch the caterpillars
b)
make sure your teacher has cabbage the day the larva come in
c)
feed them white cabbage instead of green so Mrs Briscoe will not mistake it as a green highligher
d)
all of the above
19.
Blood type AB
a)
epistasis
b)
codominance
c)
incomplete dominance
d)
hybrid vigor
20.
Red x white = pink
What is the genotype of the pink flower?
What is the genotype of the pink flower?
a)
RR
b)
rr
c)
Rr
d)
Can't be determined
21.
In peas, the trait for tall plants is dominant (T) and the trait for short plants is recessive (t). The trait for yellow seeds is dominant (Y) and the trait for green seeds is recessive (y).
A cross between two plants results in 292 tall, yellow plants and 103 short, green plants. What are the most likely genotypes of the parents?
A cross between two plants results in 292 tall, yellow plants and 103 short, green plants. What are the most likely genotypes of the parents?
a)
TtYY x Ttyy
b)
TTYy x TTYy
c)
TTyy x TTYy
d)
TtYy x TtYy
22.
A sugar, a phosphate group, and a nitrogen base form the building blocks of which organic compound?
a)
carbohydrates
b)
nucleic acids
c)
lipids
d)
proteins
23.
Which of the following is a valid hypothesis?
a)
If I give unlabeled samples of cookies, then I think my class will identify the name brand.
b)
Tide works best for removing grass stains.
c)
Miracle Gro soil is best for growing tomatoes.
d)
Pampers diapers absorb the most liquid.
24.
Polyploidy is most commonly seen in
a)
Plants
b)
Animals
c)
Humans
d)
It's not technically possible
25.
Drosophilia melanogaster is
a)
a calico cat
b)
a type of rooster
c)
a dwarf mouse
d)
a fruit fly
26.
A male can pass his X-chromosome inherited trait to his
a)
son
b)
daughter
c)
son or daughter
d)
neither
27.
Dustin plays soccer for his middle school. This season, he has attempted to score on 39 shots and been successful on 19. Which does not represent the experimental probability that he will score on his next shot?
a)
19/39
b)
~ 0.487
c)
~ 49%
d)
19/58
28.
The chart below represents the number of marbles in a jar.
P(green) =
P(green) =
a)
5/19
b)
10/28
c)
5/14
29.
A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb?
a)
12.5%
b)
25%
c)
50%
d)
75%
30.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
a)
0%
b)
25%
c)
50%
d)
100%
31.
Which is true about a testcross?
a)
The dominant phenotype organism is unknown
b)
The recessive phenotype organism is unknown
c)
One of the organisms is always heterozygous
d)
One of the organisms is always homozygous recessive
32.
ABCDEF -> ABEDCF
This rearrangment on a chromosome would be called
This rearrangment on a chromosome would be called
a)
inversion
b)
translocation
c)
deletion
d)
duplication
33.
How many autosomes does the human male normally have?
a)
2
b)
44
c)
46
d)
23
34.
Traits that are expressed by more than one allele
a)
multiple alleles
b)
polygenic inheritance
c)
codominance
d)
incomplete dominant
35.
Alleles that are on the same chromosome tend to be inherited together rather than in all possible combinations
a)
linked genes
b)
sex-linked genes
c)
multiple alleles
d)
polygenic inheritance
36.
How do linked genes violate Mendel's laws of inheritance?
a)
They do no separate in anaphase I.
b)
They are inherited together on the same chromosome, so they look like they are inherited together rather than in any possible combination.
c)
They are never dominant in the heterozygote, which means that a heterozygote with a linked gene can never show the dominant phenotype.
37.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
38.
The chromosomes that determine all traits, except gender are called:
a)
Karyotypes
b)
Autosomes
c)
Sex Chromosomes
39.
Sex linked traits are:
a)
Only found in females
b)
Traits controlled by genes found on the autosomes
c)
Traits that are controlled by genes found on the sex chromosomes
40.
The pedigree shows colorblindness in a family. What is the genotype of person #5?
a)
XNY
b)
XNXn
c)
XNX?
d)
XnXn
41.
Which best describes the process shown?
a)
mutation in which the DNA content of the gene is ltered
b)
segregation of sister chromatids
c)
condensation and segregation of the alleles
d)
crossing-over
42.
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
43.
The two ways to increase genetic variation during meiosis are crossing over and _____
a)
Synapsis
b)
Tetrad
c)
Independent assortment
d)
Gameiosis
44.
What describes a range of expressions of mutant genes?
a)
polygenic inheritance
b)
multiple alleles
c)
expressivity
d)
codominance
45.
What's Sickle Cell Trait?
a)
Sickle cell trait occurs when your whole family has it.
b)
Sickle cell trait occurs when your parent eats a lot, and most of the food is going to you.
c)
Sickle cell trait occurs when people carries a 1 copy of the sickle globin gene inherited from 1 parent along with a normal globing gene from the other parent.
d)
Sickle cell trait occurs when you eat less, and loose wait.
46.
There are _______ autosomes in humans.
a)
2
b)
23
c)
46
d)
44
47.
This disorder results in a male with an extra X chromosome.
a)
Down syndrome
b)
Turner's syndrome
c)
Klinefelter's syndrome
d)
ALS
48.
How does Cystic Fibrosis occur?
a)
autosomal recessive
b)
sex-linked recessive
c)
autsomal mutation
d)
nondisjunction (extra 21st chromosome)
49.
Which autosomal recessive genetic disease can be treated with a strict diet?
a)
red-green colorblindness
b)
PKU
c)
Huntington's disease
d)
Trisomy 21
50.
When x=6, which number is closest to the value of y on the line of best fit in the graph below?
a)
1
b)
6
c)
7
d)
9
100 %
