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WorksheetsGenetics Practice
Total questions: 28
Worksheet time: 25mins
A genotype describes the physical characteristics of an individual.
True
False
A phenotype describes the genetic make-up of an individual.
True
False
When Mendel crossed true-breeding tall plants (TT) with true-breeding short plants (tt), all of the offspring were tall because...
The allele for tall plants is recessive.
The allele for short plants is dominant.
The allele for tall plants is dominant
What is the relationship between phenotype and genotype?
The phenotype determines the genotype.
The genotype determines the phenotype.
There is no relationship between phenotype and genotype.
Tt is an example of...
Homozygous Dominant
Heterozygous
Homozygous Recessive
Multiple alleles refer to an inheritance pattern that has more than two alleles that control phenotype.
True
False
Which option below best describes polygenic inheritance?
More than one set of genes contributing to the phenotype
A blending of genes getting an intermediate phenotype
A phenotype that has more than 2 possible alleles for a gene
A white rose and a red rose produce a pink rose, which type of inheritance does this show?
incomplete dominance
codominance
Multiple alleles
Polygenic inheritance
A kitten has spots and stripes. The mother has stripes and the father has spots. Which law of inheritance does this show?
incomplete dominance
codominance
multiple alleles
polygenic inheritance
The color purple (P) is dominant to the color white (p). According to the Punnett Square, what is the probability of an offspring being white?
0%
25%
50%
75%
The color purple (P) is dominant to the color white (p). According to the Punnett Square, what is the probability of an offspring being PURPLE?
0%
25%
50%
75%
In a genotype, what does the lower case letter represent?
Recessive
Dominant
Which sex chromosome combination is for a female?
XY
XX
YY
XXY
Which genotype pair is homozygous recessive?
A. Aa
A. bb
C. CC
D. Cc
Multi-cellular organisms use mitosis for all of the following reasons except...
reproduction
growth
repair
replacement
Where were you born?
Utah
A different state in America
A different country
A different planet
Examples include skin color and height (the individual's phenotype exists somewhere along a spectrum)
polygenic inheritance
multiple alleles
linked genes
incomplete dominance
Who was the scientist that studied pea plants to determine heredity?
Rosalind Franklin
Leroy Jethro Gibbs
Gregor Mendel
James Watson
A trait that is located on the X chromosome is called
Multiple alleles
Codominance
Polygenic Inheritance
X-linked traits (Sex-Linked)
What is NOT a possible genotype for someone with type B blood?
BB
AB
BO
A woman has type B blood and her husband has type O blood. What must be the woman's genotype, if they have a child with type O blood?
BO
BB
OO
B
What type of inheritance is determined by multiple genes and there can be a range of traits?
Codominance
Incomplete dominance
Polygenic traits
AB blood type is an example of what type of inheritance? Both alleles show in the phenotype
complete dominance
incomplete dominance
codominance
polygenic inheritance
