WorksheetsUnit 9 Genetics
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
What is a segment of DNA that determines a specific trait called?
a)
Chromosome
b)
Gene
c)
Trait
d)
Allele
2.
Is a compact storage container for DNA.
a)
Chromosome
b)
Gene
c)
Allele
d)
Nucleus
3.
Stores all of the cell's genetic information and controls the cell's activities.
a)
Chloroplast
b)
Mitochondria
c)
Nucleus
d)
Golgi Apparatus
4.
Is a physical characteristic passed down from parents to offspring.
a)
trait
b)
egg
c)
sperm
d)
reproduction
5.
Is the passing of traits from parents to offspring.
a)
Genetics
b)
Heredity
c)
Spontaneous Generation
d)
Cloning
6.
Is the study of Genes.
a)
Heredity
b)
Genetics
c)
Chemistry
d)
Physics
7.
List the following words in order from smallest to biggest.
a)
cell- nucleus-chromosome-DNA-gene-allele
b)
allele-gene-chromosome-DNA-nucleus-cell
c)
nucleus-cell-chromosome-gene-DNA-allele
d)
allele-gene-DNA-chromosome-nucleus-cell
8.
This is the allele that will always show up in an organism if it is present.
a)
Dominant allele
b)
Recessive allele
c)
Weak allele
d)
Strong allele
9.
This is the allele that will not show up unless both parents pass it on to their offspring.
a)
Dominant Allele
b)
Recessive Allele
10.
How many alleles make up a gene?
a)
1
b)
2
c)
23
d)
46
11.
How many chromosome pairs do humans have?
a)
23
b)
46
c)
10
d)
40
12.
This type of reproduction create genetic variation.
a)
Sexual
b)
Asexual
13.
This type of reproduction is faster.
a)
Sexual
b)
Asexual
14.
This type of reproduction create more offspring at once.
a)
Sexual
b)
Asexual
15.
This type of reproduction allows a population to adapt better with their changing environment.
a)
Sexual
b)
Asexual
16.
This type of reproduction requires 2 parents passing on genetic information to their offspring.
a)
Sexual
b)
Asexual
17.
The genotype Bb is an example of...
a)
Heterozygous trait
b)
Homozygous Dominant Trait
c)
Homozygous Recessive Trait
18.
The genotype BB is an example of...
a)
Heterozygous trait
b)
Homozygous Dominant Trait
c)
Homozygous Recessive Trait
19.
The genotype bb is an example of...
a)
Heterozygous trait
b)
Homozygous Dominant Trait
c)
Homozygous Recessive Trait
20.
The genetic code for a trait is called...
a)
Phenotype
b)
Genotype
c)
Henotype
d)
Genetictype
21.
What the trait actually looks like is called the...
a)
Phenotype
b)
Genotype
c)
Henotype
d)
Genetictype
22.
If both parents show the dominant trait of brown eyes, how can their child show a recessive trait of blue eyes?
a)
They can't
b)
Both parents are homozygous recessive (bb) for the trait
c)
Both parents are homozygous dominant (BB) for the trait
d)
Both parents are heterozygous (Bb) for the trait
100 %
