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WorksheetsUnit 4 Heredity Test Review
Total questions: 54
Worksheet time: 36mins
Name
Class
Date
1.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
2.
The haploid number of human chromosomes is
a)
11
b)
12
c)
23
d)
46
3.
A pair of chromosomes that consists of XX is a __________________.
a)
Male
b)
Female
4.
Which of the following does NOT describe the flowers in the F1 Generation?
a)
Hybrid
b)
Heterozygous
c)
Purebred
5.
Which of the following best explains the results of letting the F1 purple hybrids self pollinate?
a)
100% Purple
b)
100% White
c)
50% Purple, 50% White
d)
75% Purple, 25% White
6.
Which of the following best describes a GENOTYPE?
a)
The allele/genetic makeup of an organism.
b)
The physical expression of a trait.
7.
The letters on the TOP AND SIDE of a punnett square represent ______________.
a)
The combination of alleles in offspring.
b)
The possible alleles given by the parents following meiosis.
c)
The genotype and phenotype of offspring.
d)
The results of genetic mutations in offspring.
8.
If a person has a genotype of Rr, what do you know about their gametes (sex cells)?
a)
They will all carry the R allele.
b)
They will all carry Rr.
c)
Some will carry R, some will carry r.
d)
They will all carry the r allele.
9.
What percentage of the offspring will be heterozygous dominant?
a)
100%
b)
75%
c)
50%
d)
25%
10.
Short hair (S) is dominant to long hair (s).
What is the genotype for an offspring with long hair?
What is the genotype for an offspring with long hair?
a)
SS
b)
Ss
c)
ss
11.
If Round (R) is dominant to wrinkled (r). Yellow (Y) is dominant to green (y), then what is the phenotype of yyrr
a)
yellow and wrinkled
b)
yellow and round
c)
green and round
d)
green and wrinkled
12.
According to the pedigree, Huntington's disease was passed on by the grandfather to how many male children and grandchildren?
a)
1
b)
2
c)
3
d)
4
13.
According to the pedigree, Huntington's disease was passed on by the grandfather to how many female children and grandchildren?
a)
1
b)
2
c)
3
d)
4
14.
The granddaughter that inherited Huntington's disease may have had which of the following genotypes?
a)
HH
b)
hh
c)
Hh
d)
XY
15.
In order for the granddaughter to have inherited Huntington's disease from both parents, what must their genotypes be?
a)
both HH
b)
hh x HH
c)
All of these
d)
Hh x HH
16.
A dihybrid cross of two parents heterozygous for their traits would result in what phenotypic ratio?
a)
1:3:3:9
b)
50:50
c)
9:3:3:1
d)
100% dihybrid offspring
17.
A colorblind carrier wife marries and has children with a man with normal vision. How would their offspring be affected?
a)
100% colorblind
b)
50% of their female children would be colorblind
c)
50% of their male children would be colorblind
d)
All of their female children would be colorblind
18.
Look at Figure 2 above. The genotype of individual 1 could be
a)
EE only
b)
Ee only
c)
ee only
d)
EE or Ee
19.
7. A baby has type AB blood. What could the genotypes of the baby’s parents be?
a)
IAi x ii
b)
IBIB x IBIB
c)
IAIA x IBi
d)
ii x ii
20.
5. Hemophilia is more common in males than in females because
a)
fathers can only pass the allele for hemophilia to their sons
b)
mothers cannot pass the allele for hemophilia to their daughters
c)
the allele for hemophilia is dominant and located on the Y chromosome
d)
the allele for hemophilia is recessive and located on the X chromosome
21.
1. People with Type AB blood have two dominant alleles, IA and IB. Since the two alleles are equally dominant, they are called
a)
multiple alleles
b)
incomplete alleles
c)
codominant alleles
d)
sex linked alleles
22.
The probability that a human sperm cell will carry a Y chromosome is:
a)
0%
b)
25%
c)
50%
d)
100%
23.
Which is the genotype of a male with a dominant sex-linked trait carried on the X chromosome?
a)
XDY
b)
XDXD
c)
XDYD
d)
XdY
24.
A rabbit with white fur was crossed with a rabbit with black fur. The cross produced offspring with black and white fur. This type of inheritance is known as
a)
dihybrid recessive
b)
dominance
c)
codominance
d)
multiple alleles
25.
7. The Figure 3 pedigree shows a disease found equally in males and females and that all children who had the disease had at least one parent who also had the disease. The gene coding for the disease is
a)
autosomal recessive
b)
autosomal dominant
c)
sex-linked recessive
d)
sex-linked dominant
26.
By looking at the last set of chromosomes in the picture, determine the sex of the child
a)
male
b)
female
27.
Cystic Fibrosis is an autosomal recessive disorder in which the protein channel (as shown below) does not function and mucous clogs the lungs. What means of particle transport uses a protein to move materials from high to low concentration called?
a)
diffusion
b)
osmosis
c)
active transport
d)
facilitated diffusion
28.
What is the relationship among DNA, a gene, and a chromosome?
a)
a chromosome contains hundreds of genes, which are composed of protein
b)
a chromosome contains hundreds of genes, which are composed of DNA
c)
a gene contains hundreds of chromosomes, which are composed of DNA
d)
a gene contains hundreds of chromosomes, which are composed of protein
29.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
30.
A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
a)
4: Orange and White
b)
1: Orange : 1 White
c)
2 Orange: 2 Orange and White: 0 White
d)
1: Orange: 2 Orange and White: 1 White
31.
A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:
a)
all black
b)
all white
c)
all gray
d)
speckled black and white
32.
This type of inheritance pattern is a MIXTURE of both traits.
a)
incomplete dominance
b)
co-dominance
c)
complete dominance
d)
recessive pattern
33.
What percentage of the offspring will have this recessive disease?
a)
0%
b)
25%
c)
50%
d)
75%
34.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
35.
What phase is illustrated?
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
36.
What phase is illustrated?
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
37.
What phase is illustrated?
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
38.
What phase is illustrated?
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
39.
New nuclear membranes form around chromosomes and the cell begins to separate during what phase?
a)
Anaphase
b)
Telophase
c)
Interphase
d)
Metaphase
40.
What is the name of the structure labeled X?
a)
Centriole
b)
Centrosome
c)
Chromatid
d)
Chromosome
41.
What is the only condition we studied that is a monosomal disorder?
a)
Klinefelters
b)
Down's
c)
Turners
d)
XYY
42.
What chromosomal abnormality causes Down's Syndrome?
a)
Trisomy 47
b)
Trisomy 46
c)
Trisomy 21
d)
Trisomy 23
43.
Following telophase in animal cells, a cell plate begins to form
a)
True
b)
False
44.
Type of Dominance in which one trait will 'suppress' the expression of another gene.
a)
Sex Linked Trait
b)
Co-Dominance
c)
Complete Dominance
d)
Incomplete Dominance
45.
Type of Trait that is carried on the X or Y Chromosomes.
a)
Sex Linked Trait
b)
Co-Dominance
c)
Complete Dominance
d)
Incomplete Dominance
46.
A gene that has many different contributing alleles. Example: Eye color (E, e', e).
a)
Multiple Allele Trait
b)
Polygenic Trait
c)
Monogenic Trait
d)
Co-Dominant Trait
47.
Type of Trait that is controlled by MANY genes at once. Many Genes will 'contribute' to one phenotype.
a)
Multiple Allele Trait
b)
Polygenic Trait
c)
Monogenic Trait
d)
Co-Dominant Trait
48.
Characteristics that ARE NOT carried on the X or Y chromosomes are carried on _____ chromosomes.
a)
Autosome
b)
Sex
c)
Recessive
d)
Dominant
49.
This graphic shows an example of...
a)
Sex Linked Trait
b)
Complete Dominance
c)
Co-Dominance
d)
Incomplete Dominance
50.
This graphic shows an example of...
a)
Sex Linked Trait
b)
Complete Dominance
c)
Co-Dominance
d)
Incomplete Dominance
51.
Circles are females. Filled in are affected by a disease. This pedigree is likely tracing a ___________ disease through a family?
a)
Autosomal Dominant
b)
Autosomal Recessive
52.
Circles are females. Filled in are affected by a disease. This pedigree is likely tracing a ___________ disease through a family?
a)
Sex Linked Recessive
b)
Autosomal Dominant
c)
Autosomal Recessive
53.
Circles are females. Filled in are affected by a disease. This pedigree is likely tracing a ___________ disease through a family?
a)
Sex Linked Recessive
b)
Sex Linked Dominant
c)
Autosomal Dominant
d)
Autosomal Recessive
54.
Circles are females. Filled in are affected by a disease. This pedigree is likely tracing a ___________ disease through a family?
a)
Sex Linked Recessive
b)
Sex Linked Dominant
c)
Autosomal Dominant
d)
Autosomal Recessive
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