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WorksheetsWhat is Heredity?
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
______ is the passing of physical characteristics from parents to offspring.
a)
Trait
b)
Heredity
c)
Genetics
d)
Hybrid
2.
Each specific characteristic, such as stem height or seed color, is called a ______.
a)
Allele
b)
Hybrid
c)
Trait
d)
Heredity
3.
What is the scientific study of heredity called?
a)
Genetics
b)
Fertilization
c)
Hybrid
d)
Punnett Square
4.
A new organism begins to form when egg and sperm cells join in the process called ______.
a)
Genetics
b)
Purebred
c)
Heredity
d)
Fertilization
5.
A ______ organism is the offspring of many generations that have the same form of a trait.
a)
Dominant Allele
b)
Hybrid
c)
Purebred
d)
Gene
6.
What is the word scientists use to describe the factors that control a trait?
a)
Hybrid
b)
Fertilization
c)
Alleles
d)
Gene
7.
What are the different forms of a gene?
a)
Alleles
b)
Traits
c)
Hybrid
d)
Purebred
8.
A ______ is one whose trait always shows up in the organism when the allele is present.
a)
Recessive Allele
b)
Dominant Allele
c)
Gene
d)
Heridity
9.
A ______ is hidden whenever a dominant allele is present.
a)
Trait
b)
Gene
c)
Recessive Allele
d)
Homozygous
10.
What kind of organism has two different alleles for a trait?
a)
Purebred
b)
Hybrid
c)
Homozygous
d)
Punnett Square
11.
What is a number that describes how likely it is that an event will occur?
a)
Probability
b)
Genetics
c)
Phenotype
d)
Alleles
12.
What is a chart that shows all the possible ways alleles can combine in a genetic cross?
a)
Genetics
b)
Fertilization
c)
Probability
d)
Punnett Square
13.
An organism's ______ is its physical appearance, or visible traits.
a)
Genotype
b)
Homozygous
c)
Heterozygous
d)
Phenotype
14.
An organism's ______ is its genetic makeup, or alleles.
a)
Genotype
b)
Homozygous
c)
Heterozygous
d)
Phenotype
15.
An organism that has two identical alleles for a trait is said to be ______.
a)
Heterozygous
b)
Hybrid
c)
Homozygous
d)
Genetics
16.
An organism that has two different alleles for a trait is ______.
a)
Purebred
b)
Heterozygous
c)
Homozygous
d)
Fertilized
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