Practice Genetics Multiple Choice Questions with Answers Quiz-1

Q.1.

What type of "square" helps us solve genetic problems?

carpenter square
Mendel square
Punnett square
genetic square

Q.2.

What is heredity?

A kind of genetic disorder
The way DNA divides
A trait you inherit from your parents
The passing down of traits from parents to children

Q.3.

Who was the father of genetics?

Mendel
Einstein
Redi
Pasteur

Q.4.

Which statement is true?

Your DNA is the same as your siblings.
Your set of DNA is identical to your mothers.
Your set of DNA is identical to your fathers.
Your DNA is unique to you.

Q.5.

What is a phenotype

The genetic make up (code)
The physical trait

Q.6.

What is AA

Homozygous Dominant
Heterozygous
Homozygous Recessive
Heterozygous dominant

Q.7.

Aa is

homozygous (purebred)
heterozygous (hybrid)

Q.8.

What does heterozygous mean?

An organism that has the same genes for a trait (TT or tt)
An organism that has different genes for a trait (Tt)
When neither gene is fully dominant; offspring is a mixture of both
the different forms of a trait (hair color--> brown, blonde, red

Q.9.

What is the study of heredity?

genetics
cell biology
chemistry
botany

Q.10.

Which of the following genotypes is heterozygous?

Bb
BB
bb
B

Q.11.

What is the relationship between DNA and chromosomes?

Chromosomes are made of DNA
DNA is made of chromosomes
DNA and chromosomes are the same thing.
All of the above are correct

Q.12.

How many chromosomes are in a sex cell?

46
23
26
43

Q.13.

Which of the following genotypes is homozygous dominant?

A
Aa
AA
aa

Q.14.

Which of the following is a phenotype?

Aa
red hair
heterozygous genes
mutated DNA

Q.15.

How many human genetic disorders are known?

1
100
Thousands
None

Q.16.

Why are your chromosomes arranged in pairs?

Scientists have no idea
Because you get one from your mom and one from your dad
Because pairs can divide easier
Because DNA is awesome

Q.17.

How many pairs of chromosomes exist in each of your cells?

10
12
23
46

Q.18.

A GMO is

A mutant animal
An organism that is made up of lots of different organisms
a genetically mutated option of the human genome
an organism whose DNA has been purposely altered by human intervention

Q.19.

In a punnet square where are the parent alleles written?

Top and inside the boxes
Only on the left and right side of the boxes.
outside of the boxes (top and left side)
All on the top side of the boxes

Q.20.

Which characteristic could be inherited from a parent?

the type of shoes worn
having scars
the color of hair
riding a bicycle

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