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