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Cells PASS Review 4
Test Description: 7th SC Science Standards Cells and Heredity
Instructions: Answer all questions to get your test result.
1) A trait that will always be expressed in the phenotype, represented by capital letters.
A
gene
B
dominant
C
chromosome
D
recessive
2) A trait that will only be expressed in the phenotype if two recessive alleles are present, shown with lower case letters
A
genotype
B
phenotype
C
recessive
D
dominant
3) a tool used to predict the ratio or percentage of the possible genes that an offspring will have based on the genes of the parent.
A
litmus paper
B
triple beam balance
C
Punnett Square
D
microscope
4) Which of the following is purebred dominant?
A
TT
B
none of the above
C
Tt
D
tt
5) Which of the following is hybrid?
A
TT
B
tt
C
Tt
D
none of the above
6) Which of the following is purebred recessive?
A
none of the above
B
tt
C
TT
D
Tt
7) If all of the offspring are Mm in a Punnett Sqaure, what are the most likely genes of the parents?
A
Mm and Mm
B
MM and MM
C
mm and mm
D
MM and mm
8) A cross that shows the inheritance of a single characteristic is known as a ____.
A
Punnett square
B
monohybrid cross
C
litmus test
D
dominant recessive trait
9) A genetically determined characteristic that distinguishes one organism from another organism.
A
environmental factor
B
learned behavior
C
inherited trait
D
your reaction to being scared
10) Which of the following is caused by environmental factors vs. inherited traits?
A
A species of dogwood trees has leaves with the same shape.
B
My mom and three sisters have black hair.
C
Low temperature causes the leaves to be small on some plants.
D
A plant has red, pink, and white flowers.
*select an answer for all questions
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