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Traits And Inheritance (Ch 3.2)
Test Description: Chapter 3.2
Instructions: Answer all questions to get your test result.
1) One set of instructions for an inherited trait is
A
an allele
B
a trait
C
a gene
D
a characteristic
2) What are the different forms of a dominant and recessive gene called?
A
alleles
B
characteristics
C
traits
D
outliers
3) Dominant alleles are shown with a _______ and recessive alleles are shown with a _______.
A
even number, odd number
B
capital letter, lowercase letter
C
positive sign, negative sign
D
lowercase letter, capital letter
4) What is the definition of PHENOTYPE?
A
a group of similar cells that perform a common function
B
the breakdown of food without the use of oxygen
C
an organism's appearance or other detectable characteristic
D
the height of an organism's body, in centimeters
5) Both inherited alleles together form an organism's ___________________.
A
hair colir
B
blood type
C
skin color
D
genotype
6) A plant with two dominant (PP) or two recessive (pp) alleles is said to be
A
fertile
B
short
C
homozygous
D
self-pollinating
7) A plant that has the genotype Pp is said to be
A
smelly
B
a eukaryote
C
heterozygous
D
different
8) What is the name of the tool scientists use to organize all the possible combinations of offspring from particular parents?
A
a Punnett square
B
a Venn diagram
C
a hammer
D
a flag formation
9) What is the definition of PROBABILITY?
A
The division of cytoplasm in a cell.
B
The likelihood that a possible future event will occur in any given instance of the event.
C
The special, normal, or proper activity of a cell part.
D
The relationship between two numbers often expressed as a fraction.
10) What is INCOMPLETE DOMINANCE?
A
Each allele for a certain characteristic has its own degree of influence.
B
I have no idea.
C
When the dominant trait turns recessive.
D
What happens when two recessive traits are crossed.
*select an answer for all questions
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