WorksheetsGenetics Intro
Total questions: 21
Worksheet time: 16mins
Name
Class
Date
1.
What is heredity?
a)
A kind of genetic disorder
b)
The way DNA divides
c)
A trait you inherit from your parents
d)
The passing down of traits from parents to children
2.
What is the relationship between DNA and chromosomes?
a)
Chromosomes are made of DNA
b)
DNA is made of chromosomes
c)
DNA and chromosomes are the same thing.
d)
All of the above are correct
3.
How many pairs of chromosomes exist in each of your cells?
a)
10
b)
12
c)
23
d)
46
4.
Why are your chromosomes arranged in pairs?
a)
Scientists have no idea
b)
Because you get one from your mom and one from your dad
c)
Because pairs can divide easier
d)
Because DNA is awesome
5.
Which statement is true?
a)
Your DNA is the same as your siblings.
b)
Your set of DNA is identical to your mothers.
c)
Your set of DNA is identical to your fathers.
d)
Your DNA is unique to you.
6.
Besides genetics, what other factors are responsible for how you will grow and develop?
a)
How people treat you
b)
How hard you study
c)
Nutrition and environment
d)
What your parents look like
7.
Put in order smallest to largest:
a)
Chromosome - DNA - Gene
b)
Gene - DNA - Chromosome
c)
DNA - Gene Chromosome
d)
Chromosome - Gene - DNA
8.
Which is true about DNA?
a)
Only animals have DNA in their cells
b)
DNA research is simple and quick
c)
DNA contains many genes
d)
None of the above are true.
9.
Inherited traits are controlled by
a)
genetic information in the genes
b)
the environment a baby is born into
c)
the nucleus and mitochondria
d)
none of the above
10.
Who is considered the "father" of modern genetics?
a)
Einstein
b)
Mendel
c)
Disney
d)
Washington
11.
TT,tt,PP,pp,SS,ss are examples of alleles that are?
a)
homozygous
b)
heterozygous
c)
different
d)
homologous
12.
The exact genetic makeup of an organism, such as RR, Tt, PP is its?
a)
phenotype
b)
dominance
c)
genotype
d)
trait
13.
If "T" is the allele for tall and "t" is the allele for short, then Tt would produce?
a)
tall
b)
short
c)
medium
d)
not enough info
14.
A physical characteristic that can be passed from parent to offspring.
a)
behavior
b)
trait
c)
strong muscles
d)
ability to fly a plane.
15.
What plant did Mendel study?
a)
pea plant
b)
spinach
c)
carrots
d)
sunflowers
16.
Alternant or different genes that code for the same trait are called?
a)
chromosomes
b)
segments
c)
alleles.
d)
homozygous.
17.
What is a phenotype?
a)
The expression of a trait; what you see.
b)
refers to the genetic makeup of an individual
c)
An organism that has the same genes for a trait (ex. TT or tt)
d)
the passing of traits from parent to offspring
18.
The inherited combination of alleles is known as the offspring's
a)
heredity
b)
phenotype
c)
genotype
d)
redigree
19.
An organism's appearance is known as its
a)
heredity
b)
phenotype
c)
genotype
d)
pedigree
20.
Sex cells are produced through the process of
a)
mitosis
b)
cytokinesis
c)
binary fission
d)
meiosis
21.
What does heterozygous mean?
a)
An organism that has the same genes for a trait (TT or tt)
b)
An organism that has different genes for a trait (Tt)
c)
When neither gene is fully dominant; offspring is a mixture of both
d)
the different forms of a trait (hair color--> brown, blonde, red
100 %
