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Genotype & Phenotype Warm Up

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is an Allele?

a)

a specific characteristic

b)

a form of a gene

c)

a portion of DNA that codes for a trait

d)

passing of traits

2.

What is an example of a trait?

a)

Height

b)

Eye color

c)

All

d)

Hair type

3.

In order for an allele to be DOMINANT, it needs what?

a)

a capital letter

b)

a lowercase letter

c)

a gene

d)

None

4.

What does it mean if an allele combo is homozygous?

a)

alleles are different

b)

it explains what the genes say

c)

both alleles are the same

d)

it is the physical trait observed

5.

If an organism has a genotype of BB, we can describe it as:

a)

homozygous dominant

b)

heterozygous dominant

c)

homozygous recessive

d)

heterozygous recessive

6.

If an organism has a genotype of Rr, we can describe it as:

a)

homozygous recessive

b)

homozygous dominant

c)

heterozygous dominant

d)

heterozygous recessive

7.

If having stripes is dominant, what would be the correct genotype that would match?

a)

SS

b)

Ss

c)

ss

d)

Both SS and Ss

8.

If long beaks on birds is recessive, which of the following genotypes matches?

a)

BB

b)

Bb

c)

bb

d)

BB and bb

9.

What is a phenotype?

a)

what the genes actually say

b)

the physical trait observed

c)

what is expressed with a capital letter

d)

what is expressed with no capital letter

10.

If purple flowers are dominant to white flowers, what would the phenotype be for Pp.

a)

Purple

b)

White

c)

Both

d)

None