WorksheetsAdvanced Genetics
Total questions: 33
Worksheet time: 17mins
Name
Class
Date
1.
A monohybrid cross involves the prediction of offspring outcomes for ________ trait(s), while a dihybrid cross involves the prediction of offspring outcomes for ______ trait(s).
a)
One ; Two
b)
One ; One
c)
Two ; Two
d)
Two ; One
2.
A purebred yellow pea plant, when crossed with a green pea plant, produces ONLY yellow offspring plants. What are the genotypes of the parents?
a)
Yy x Yy
b)
yy x yy
c)
YY x yy
d)
YY x Yy
3.
A purebred yellow pea plant, when crossed with a green pea plant, produces ONLY yellow offspring plants. This is because green pea color is a ___________ trait.
a)
Dominant
b)
Recessive
c)
Codominant
d)
Sex Linked
4.
A purebred yellow pea plant, when crossed with a green pea plant, produces ONLY yellow offspring plants. What are the genotypes of the OFFSPRING?
a)
All heterozygous/hybrid (Yy)
b)
All homozygous dominant (YY)
c)
All homozygous recessive (yy)
d)
Some homozygous dominant (YY), some heterozygous (hh)
5.
True or False: Sex linked traits are traits whose genes are found on the 23rd pair of chromosomes, the sex chromosomes (X or Y)
a)
True
b)
False
6.
An individual with XX chromosomes would be ____________.
a)
Male
b)
Female
7.
An individual with XY chromosomes would be __________.
a)
Male
b)
Female
8.
Which of the following statements is true regarding blood types?
a)
A and O are codominant, B is recessive.
b)
B and O are codominant, A is recessive.
c)
A and B are codominant, O is recessive.
d)
A , B and O are all codominant with each other.
9.
True or False: Traits whose genes are found on the first twenty two pairs of chromosomes are known as autosomal traits.
a)
True
b)
False
10.
The visual tool seen in the image is known as a ___________.
a)
Punnett Square
b)
Karyotype
c)
Dihybrid Cross
d)
Pedigree
11.
Suppose a female dog is heterozygous for two traits (BbGg). What is the total number of allele combinations she can carry in her eggs?
a)
1
b)
2
c)
4
d)
6
12.
Suppose a male dog has the genotype BBgg, which of the following is true regarding the alleles found in his sperm?
a)
They all carry BG
b)
Some carry B's, some carry g's
c)
Some carry b's, some carry G's
d)
They all carry Bg
13.
If a female dog's genotype is BBGg, which of the following is NOT a combination of alleles she can carry in her eggs?
a)
BG
b)
Bg
c)
bg
d)
All are possible
14.
This image is an example of a _____________ cross.
a)
Monohybrid
b)
Dihybrid
c)
Purebred
d)
Heterozygous
15.
In guinea pigs, black hair is dominant to white hair and short hair is dominant to long hair. What would be the phenotype of a guinea pig with the genotype Bbss?
a)
Black hair, long hair
b)
Black hair, short hair
c)
White hair, long hair
d)
White hair, short hair
16.
In guinea pigs, black hair is dominant to white hair and short hair is dominant to long hair. What would be the phenotype of a guinea pig with the genotype bbss?
a)
Black hair, long hair
b)
Black hair, short hair
c)
White hair, long hair
d)
White hair, short hair
17.
True or False: Men can NEVER be "carriers" for recessive sex-linked traits because they only have one X chromosome.
a)
True
b)
False
18.
There are no "carriers" for Huntington's Disease, a person either has the disease or they do not. Knowing this information, which of the following must be true about Huntington's Disease?
a)
It is a recessive disorder.
b)
It is a dominant disorder.
19.
Nondisjunction is the failure of chromosomes to properly separate during the process of _______________.
a)
Mitosis
b)
Meiosis
c)
Osmosis
d)
Translation
20.
All of the following disorders are a result of nondisjunction EXCEPT...
a)
Hemophilia
b)
Down Syndrome
c)
Klinefelter's Syndrome (XXY)
d)
Trisomy 13
21.
Cystic fibrosis causes a build up of mucus in the lungs. An individual can be a carrier of Cystic Fibrosis and have no idea. If two parents have Cystic Fibrosis, ALL of their children will have the disorder. This is because Cystic Fibrosis is a ____________ trait.
a)
Dominant
b)
Sex Linked
c)
Recessive
d)
Codominant
22.
More males are colorblind that females because colorblindness is an example of a ____________ trait.
a)
Sex Linked
b)
Codominant
c)
Completely dominant
d)
Incompletely dominant
23.
A red lily crossed with a yellow lily produces heterozygous orange lily flowers. This is an example of which type of inheritance?
a)
Codominance
b)
Incomplete Dominance
c)
Sex Linked
d)
Polygenic Trait
24.
A yellow fish, when crossed with a blue fish, produces heterozygous fish with blue AND yellow scales. This is an example of which type of inheritance?
a)
Sex Linked
b)
Polygenic
c)
Codominance
d)
Incomplete Dominance
25.
If the heterozygous genotype leads to a BLEND of the other two traits, this is an example of ______________.
a)
Incomplete Dominance
b)
Codominance
c)
Multiple Alleles
d)
Polygenic Inheritance
26.
A heterozygous condition in which BOTH alleles are equally expressed is an example of _________________.
a)
Codominance
b)
Incomplete Dominance
c)
Polygenic Inheritance
d)
Multiple Alleles
27.
Phenotypes which result as a combination of MANY genes, such as skin color and eye color, are known as ______________ traits.
a)
Monogenic
b)
Dihybrid
c)
Multiple Allele
d)
Polygenic
28.
True or False: An example of multiple allele inheritance would be blood types because there are more than two alleles that control blood types.
a)
True
b)
False
29.
Genetic Engineering is simply the process of directly manipulating an organism's DNA.
a)
True
b)
False
30.
Which of the following biotechnology processes takes a tiny fragment of DNA and copies it millions of times using a series of heating and cooling?
a)
Clorning
b)
Gel Electrophoresis
c)
Polymerase Chain Reactions (PCR)
d)
Genetic Engineering
31.
Which biotechnology process separates fragments of DNA by length using electrical currents?
a)
Gel Electrophoresis
b)
Genetic Engineering
c)
Polymerase Chain Reactions (PCR)
d)
Cloning
32.
True or False: Gel electrophoresis is also known as "DNA Fingerprinting."
a)
True
b)
False
33.
Which of the following is NOT a biotechnological process utilized by scientists?
a)
PCR
b)
Cloning
c)
Gel Electrophoresis
d)
Osmosis
100 %
