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Traits And Reproduction Review
Test Description: Unit Test Review
Instructions: Answer all questions to get your test result.
1) Which one of the following is NOT a feature?
A
skin
B
green eyes
C
eyes
D
hair
2) Which one of the following is NOT a trait?
A
small nose
B
light skin
C
hair
D
blonde hair
3) Where are the proteins built in the cell?
A
nucleus
B
genes
C
mitochondria
D
ribosomes
4) What is a mutation?
A
A random change to a gene
B
Genes provide instructions
C
There is no change to instructions
D
A girl born with blonde hair
5) Which genes are heterozygous?
A
A1A1
B
F1F1
C
A2A2
D
A1A2
6) What provides the instructions for building proteins?
A
ribosomes
B
genes
C
mutations
D
cell membrane
7) Which genes are homozygous?
A
F1F2
B
A1A1
C
A1A2
D
F2F3
8) What feature does ACTN3 protein determine?
A
throwing ability
B
silk flexibility
C
speaking ability
D
running ability
9) What role do genes play in making proteins?
A
Genes provide instructions for making proteins, but they do not build the proteins themselves.
B
The ribosomes provide the instructions and the ribosomes build them.
C
The nucleus provides the instructions and the ribosomes build the proteins.
D
Genes provide instructions and build proteins.
10) How many copies of each gene does an organism have for each feature?
A
21
B
3
C
1
D
2
11) How does the structure of a protein determine a trait?
A
Different structures of proteins connect in different ways to form different traits.
B
There are no differences in the structures of proteins.
C
All proteins have the same structures and all traits are the same.
D
Different structures of proteins connect in the same ways to form the same traits.
12) How does sexual reproduction result in variation among offspring?
A
Through sexual reproduction, one parent passes down more genes than the other parent to the offspring.
B
Through sexual reproduction, each parent passes down the same gene to the offspring.
C
Through sexual reproduction, each parent randomly passes one gene to the offspring.
D
Through sexual reproduction, neither parent passes down genes to the offspring.
13) Why do some bears have the same ear shape?
A
The proteins are the same and connect in the same way.
B
No bears have the same ear shape.
C
The proteins are different so the proteins connect in different ways.
D
All bears have the same ear shape.
14) What determines the traits in organisms?
A
The shape of the protein.
B
All of the proteins have to be different types.
C
All proteins have to be the same type.
D
The number of the proteins.
15) If the structure of the proteins in the body cells changed, but the amount of that type of protein in the cell stayed the same. What happens to the function of that type of protein?
A
The proteins will connect the same.
B
The changed protein connects differently, so its function changes.
C
The proteins will connect the same so there will be no change in function.
D
The proteins will not change.
16) What is it called when the copies of genes are different from each other?
A
heterosapien
B
homosapien
C
homozygous
D
heterozygous
17) There are two dogs that both have the same proteins for ear shape in their cells. The dogs have different parents. What can you say about the dogs' ear shape?
A
They will have different ear shapes since only offspring from the same parents have the same ear shape.
B
They will have different ear shapes because even with the same proteins for ear shape, the proteins can connect differently.
C
They will have the same ear shape since all bears have the same ear shape.
D
They will have the same ear shape since their proteins for ear shape are the same so the proteins will connect in the same wa
18) Saul wonders why trees have different leaf shapes. The Oak tree's copies of the gene are the same as each other. The Ash tree's copies of the gene are different from each other. How does this affect how many types of proteins there are?
A
The Oak tree has two types of protein for the petal shape. The Ash tree has two types of protein for the petal shape.
B
The Oak tree has one type of protein for the petal shape feature. The Ash tree has one type of protein for the petal shape.
C
It is impossible to say anything about proteins from the given information.
D
The Oak tree has one type of protein for the petal shape feature. The Ash tree has two types of protein for the petal sha
19) During sexual reproduction, offspring inherit one gene version from their mother and one gene version from their father.
A
False
B
True
20) There are two tree frogs that have different proteins in their cells for tongue length. They have different parents. What can you say about the frogs' tongue lengths?
A
They'll have different tongue lengths since their proteins are different so the proteins will connect in different ways.
B
They'll have the same tongue lengths because different proteins for tongue length, the proteins can connect in the same way.
C
They will have the same tongue lengths since all tree frogs have the same tongue length.
D
They will have different tongue lengths since offspring from different parents will have different tongue lengths.
*select an answer for all questions
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