Log in
Sign up for FREE
arrow_back
Library

Copy of CP Genetics Test (4/11/2024)

star
star
star
star
star
Last updated about 2 years ago
35 questions
Required
1
Required
1
Required
1
Required
2
Required
1
Required
1
Required
1
Required
2
Required
1
Required
1
Required
1
Required
1
Required
2
Required
1
Required
2
Required
1
Required
1
Required
1
Required
2
Required
1
Required
2
Required
2
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
6
Question 1
1.

Question 2
2.

Question 3
3.

Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

Question 8
8.

Question 9
9.

Question 10
10.

Question 11
11.

Question 12
12.

Question 13
13.

Question 14
14.

Refer to this diagram to answer #15-19.
Question 15
15.

Question 16
16.

Question 17
17.

Question 18
18.

Question 19
19.

Question 20
20.

Question 21
21.

Question 22
22.

Question 23
23.

Question 24
24.

Question 25
25.

Question 26
26.

Question 27
27.

Question 28
28.

Question 29
29.

An organism has 40 chromosomes in a body cell. After mitosis each cell has 40 chromosomes. After meiosis each gamete has ____________________ chromosomes.

Question 30
30.

Question 31
31.

Question 32
32.

Question 33
33.

Question 34
34.

Question 35
35.
For each of the genotypes below determine what phenotypes would be possible.
Purple flowers (P) are dominant to white (p), Brown eyes (B) are dominant to blue (b).
PP = __________ ; Pp = __________ ; pp = __________ ; BB = __________ ; Bb = __________ ; bb = __________
Which genotype below is heterozygous?
aa
AA
Aaa
Aa
An organism’s expressed physical trait, such as seed color, is called its:
Homozygous
Genotype
Phenotype
Gamete
If the allele for green pea pod color (G) is dominant over the allele for yellow pea pod color (g), which of the following genotypes would a plant with yellow pods have?
None of these
Gg
GG
gg
In corn plants, green (G) is dominant to yellow (g). What is the chance of two heterozygous corn plants producing yellow corn plants?
75%
50%
100%
25%
What information is revealed in the portion of the karyotype?
The individual displayed is a male with Down syndrome.
The individual displayed is a female with Down syndrome.
The individual displayed is a normal male.
The individual displayed is a normal female.
Which of the following terms describes an organism that has the genotype Bb?
Homozygous
Heterozygous
Inbreed
All of the above
Genes located on homologous chromosomes may have alternate forms that control different forms of a trait. These alternate forms of a gene are called _____.
Alleles
Centromeres
Phenotypes
Gametes
What is the genotype in the bottom left-hand quadrant in the Punnett square shown?
Ff
ff
FF
fF
A trait carried on the X or Y chromosome is said to be ________ inheritance.
Multiple allelic
Polygenic
Simple dominant
Sex-linked
The alleles contained in _____, which are produced by each parent, are shown along the sides of a Punnett square.
Gametes
Hybrids
Zygotes
Offspring
A useful device for predicting the possible offspring of crosses between different genotypes is the _____.
Offspring-predictor-machine
Punnett square
Law of dominance
Law of segregation
Mendel's law of segregation states that during meiosis, the factors that control each trait separate and only _____ from each pair is/are passed to the offspring.
One factor
The dominant trait
Two factors
The recessive trait
A couple (XX & XY) has two children, both of whom are boys (XY). What is the chance that their next child will be a boy?
125%
25%
0%
50%
The type of inheritance shown when a red-flowering plant is crossed with a white-flowering plant and only pink-flowering plants are produced is _____.
Codominance
Incomplete dominance
Inbreeding
Polygenic inheritance
If individual III-2 (XhY)marries a person with the same genotype as individual I-1 (XHXH), what is the chance that one of their children will be afflicted with hemophilia, if hemophilia is a recessive genetic disorder (XhXh/XhY)?
0%
50%
75%
25%
What type of inheritance pattern does the trait represented by the shaded symbols in the figure illustrate?
X-linked
Codominance
Incomplete dominance
Multiple alleles
For the trait being followed in the pedigree, individuals II-1 and II-4 in the figure below can be classified as _____.
Mutants
Homozygous recessive
Homozygous dominant
Carriers
What is the relationship between individual I-1 and individual III-2 in the figure below?
They play golf together occasionally.
Great aunt-nephew.
Grandmother-grandson.
Grandfather-granddaughter.
An individual of genotype XBXB marries an individual whose genotype is XbY. What is the chance of the couple having a colorblind male if colorblindness is a recessive genetic disorder (XbXb/XbY)?
50%
75%
25%
0%
When red and yellow spotted beetles are mated, 1/4 of the offspring are red, 2/4 are red and yellow spotted, and 1/4 are yellow. This trait is one controlled by _____.
Multiple alleles
X-linked genes
Polygenic inheritance
Codominant alleles
Two parents who have good health are surprised when their child is born with cystic fibrosis, an autosomal recessive disorder which affects the lungs and digestive system. What are the genotypes of the parents?
NN and nn
NN and Nn
Nn and nn
Nn and Nn
A man heterozygous for blood type A, marries a woman heterozygous for blood type B. The chance that their child will have type O blood is _____.
75%
50%
0%
25%
What is the term for cells with two sets of chromosomes?
Monoploid
Triploid
Diploid
Haploid
What process halves (1/2) the number of chromosomes in cells?
Mitosis
Replication
Meiosis
Fertilization
What is the significance of crossing-over in meiosis?
Halts cell division
Forms identical cells
Increases genetic diversity
Decreases chromosome number
What is shown in the image below?
anaphase I of meiosis
crossing over
replication
independent assortment
At the end of meiosis, there are
four haploid daughter cells.
two diploid daughter cells.
two haploid daughter cells
four diploid daughter cells.
How many chromosomes are in a human gamete?
46
26
23
43
Which process increases genetic diversity?
Translation
Mitosis
Meiosis
Transcription
How are cells created in mitosis different from those created in meiosis?
Mitosis creates genetically identical cells, while meiosis creates genetically unique cells
Mitosis only happens later in an organism's life, while meiosis takes place continually
Mitosis creates genetically unique cells, while meiosis creates genetically identical cells
Mitosis takes place only in reproductive organs, while meiosis takes place in all organs
Which of the karyotypes shown is from a normal female?
A
D
B
C
What type of mutation is shown in the image below?
Point mutation / Substitution
Frameshift / Insertion
Point mutation / Deletion
Frameshift / Deletion
What type of mutation is shown in the image below?
Frameshift / Insertion
Point mutation / Deletion
Frameshift / Deletion
Point mutation / Substitution