WorksheetsGenetics and Punnett Squares
Total questions: 23
Worksheet time: 23mins
Name
Class
Date
1.
The study of how traits are inherited through the interactions of genes.
a)
Genetics
b)
Heredity
c)
Genes
d)
Traits
2.
The passing of traits from parent to offspring.
a)
Heredity
b)
Traits
c)
Genetics
d)
Genes
3.
Physical characteristics that are passed down from parents to offspring during sexual reproduction.
a)
Phenotype
b)
Traits
c)
Genes
d)
Heredity
4.
A segment of DNA found on a chromosome that determines the inheritance of a particular trait.
a)
Genes
b)
Genetics
c)
Heredity
d)
Traits
5.
Material that carries all the information about how a living thing will function.
a)
DNA
b)
Genes
c)
Traits
d)
Heredity
6.
Structures found in the nucleus of a cell that contain DNA.
a)
Genes
b)
Chromosomes
c)
Allele
d)
Traits
7.
One gene from a pair, the different forms or versions of a trait that a gene may have.
a)
Allele
b)
Gene
c)
Genotype
d)
Phenotype
8.
The set of genes carried by the organism.
a)
Genotype
b)
Phenotype
c)
Alleles
d)
Traits
9.
The physical expression of the genes.
a)
Genotype
b)
Phenotype
c)
Allele
d)
Traits
10.
Characteristics that are passed from parent to offspring.
a)
Heredity
b)
Genetics
c)
Inherited Traits
d)
Alleles
11.
Traits that cover over, or dominate another form of that trait. Always shows up in the phenotype, even when only one is present.
a)
Inherited Traits
b)
Acquired Traits
c)
Recessive trait
d)
Dominant trait
12.
Traits that are covered over, or dominated, by another form of that trait and seem to disappear. Only shows up in the phenotype if there are two of these alleles present.
a)
Dominant trait
b)
Recessive trait
c)
Inherited trait
d)
Acquired trait
13.
Both alleles (forms of the gene) are the same.
a)
Homogeneous
b)
Homozygous
c)
Heterogeneous
d)
Homogeneous
14.
When alleles occur in different forms.
a)
Heterozygous
b)
Homozygous
c)
Heterogeneous
d)
Homogeneous
15.
BB
a)
Homozygous
b)
Homogeneous
c)
Heterozygous
d)
Heterogeneous
16.
Bb
a)
Homogeneous
b)
Homozygous
c)
Heterogeneous
d)
Heterozygous
17.
bb
a)
purebred
b)
hybrid
18.
Cc
a)
purebred
b)
hybrid
19.
If black (B) is dominant to white (b), which of the following are all possible genotypes if you cross a homozygous dominant chicken with a homozygous recessive chicken.
a)
BB
b)
white
c)
Bb
d)
Black
20.
The heterozygous genotype produces a phenotype that falls in between the dominant trait and the recessive trait.
a)
Incomplete dominance
b)
Complete dominance
c)
Codominance
d)
Half dominance
21.
Which of the following is an example of incomplete dominance?
a)
Red flower and White flowers making Pink flowers.
b)
Blue eyed parent and brown eyed parent making brown eyed children.
c)
Rabbit with black fur and a rabbit with white fur making white furred rabbits.
d)
Blue eyed parents having a blue eyed child.
22.
Condition in which both alleles of a gene are expressed in heterozygous offspring.
a)
Incomplete dominance
b)
Complete dominance
c)
Codominance
d)
Unclear dominance
23.
Which of the following is an example of codominance in humans?
a)
cow coat color
b)
eye color
c)
fur color
d)
blood types
100 %
