Glencoe Science Level Blue

Chapter 2: Traits and How They Change

Section 2 Self-Check Quiz-Eng.

1
The science that studies how traits are passed from parents to offspring is called __________.
A)natural selection
B)ecology
C)genetics
D)environmental science
2
Gregor Mendel was the first researcher to use __________ to describe the results of genetics.
A)genes
B)gender
C)numbers
D)drawings
3
The different forms of a gene are called __________.
A)chromosomes
B)alleles
C)traits
D)principles
4
If the allele for a small tail in fish is recessive to the allele for a large tail, what genotype must a fish with the small tail phenotype have?
A)two large tail alleles
B)one large tail and one small tail allele
C)two small tail alleles
D)one small tail allele
5
A parent has the following combination of alleles: D and d, E and e, and F and f. Which one of the following combinations might be found in the parent's sex cells?
A)D, F, and f
B)E, e, and F
C)E, F, and f
D)D, e, and F
6
Mendel's principle of __________ states that the alleles for one trait have no effect on the inheritance of alleles for a different trait.
A)segregation
B)dominance
C)recessive genes
D)independent assortment
7
What is the name of a model that can be used to predict the outcome of a genetic cross?
A)a Punnett square
B)a Mendel square
C)a Concept map
D)an Allele triangle
8
When an organism has two different alleles for a trait, it is called __________.
A)a genotype
B)a hybrid
C)a phenotype
D)recessive
9
Why would you expect the results of Mendel's experiments with garden peas to be close to the expected outcomes?
A)He was careful.
B)He read many books.
C)He studied large numbers of plants.
D)He used a calculator.
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