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WorksheetsGenetics Vocabulary
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
An _________ is a trait that helps an organism to survive and reproduce in its environment.
a)
adaptation
b)
evolution
2.
An organism's visual traits or physical appearance.
a)
phenotype
b)
genotype
3.
Crossing two individuals with identical or similar sets of alleles.
a)
hybridization
b)
inbreeding
4.
The gradual change in a species over many generations.
a)
natural selection
b)
evolution
5.
The process by which individuals that are better adapted to an environment are more likely to survive and reproduce to pass traits down to offspring.
a)
natural selection
b)
variation
6.
A ___________ allele is masked when a dominant allele is present.
a)
purebred
b)
recessive
7.
And organism that contains 2 different alleles for a trait.
a)
purebred
b)
hybrid
8.
Factors that control traits.
a)
genes
b)
genotype
9.
The likelihood that a particular event will occur.
a)
heredity
b)
probability
10.
The process of selecting a few organisms with desired traits to serve as the parents of the next generation.
a)
selective breeding
b)
genetic engineering
11.
A __________ allele always shows up in an organism when the it is present.
a)
dominant
b)
hybrid
12.
Any difference between individuals of the same species.
a)
probability
b)
variation
13.
Physical characteristics of an organism.
a)
genes
b)
traits
14.
The passing of traits from parent to offspring.
a)
adaptation
b)
heredity
15.
This process produces four sex cells, each containing half the usual number of chromosomes.
a)
meiosis
b)
mitosis
16.
An organism's genetic makeup; allele combinations.
a)
phenotype
b)
genotype
17.
Crossing two individuals with different sets of alleles.
a)
hybridization
b)
inbreeding
18.
Produces offspring with the same form of traits as the parent; has two identical alleles for a trait.
a)
purebred
b)
hybrid
19.
The process by which genes from one organism are transferred/inserted into the DNA of another organism.
a)
cloning
b)
genetic engineering
20.
The process that produces 2 identical body cells, each containing the same number of chromosomes as the parent cell.
a)
mitosis
b)
meiosis
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