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Punnet Squares Video

Authored by Victor Castillo

Biology

9th - 12th Grade

Used 5+ times

Punnet Squares Video
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an allele in genetics?

A cell division process

A type of protein

A variant form of a gene

A type of chromosome

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an organism is heterozygous for a gene, what does this mean?

It has no alleles

It has two different alleles

It has mutated alleles

It has two identical alleles

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the genotype of an organism with two different alleles for a trait?

Hemizygous

Homozygous dominant

Homozygous recessive

Heterozygous

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a dominant allele do to a recessive allele?

Modifies it

Masks it

Duplicates it

Deletes it

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What outcome results from a homozygous recessive pairing?

Variable trait expression

Dominant trait expression

No trait expression

Recessive trait expression

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the presence of a dominant allele in a genotype indicate?

The trait will not be expressed

The trait will be expressed

The allele will mutate

The allele will disappear

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a Punnett square, what does each box represent?

A genetic mutation

A possible offspring genotype

An offspring's phenotype

A parent's genotype

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