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Mixed Genetics

Total questions: 13

Worksheet time: 10mins

Name
Class
Date
1.

Match the following

a)

Genotype

1.

Alleles for a gene: Gg

b)

Phenotype

2.

Physical description: Green Seeds

c)

Homozygous

3.

Same Alleles: GG

d)

Heterozygous

4.

Different Alleles: Gg

e)

Recessive

5.

only shows in homozygous form: gg

2.

The father of Genetics is ​ (a)   . He came up with 3 Laws: Law of ​ (b)   Law of Independent Assortment, and Law of ​ (c)   .

Choose from the below words
Gregor Mendel
Charles Darwin
Dominance
Recessive
Segregation
Polymerization
3.

If a pea plant has a genotype of Tt, where "T" is the allele for tall plants and "t" is the allele for short plants, what is its phenotype?

a)

Short

b)

Tall

c)

Medium

d)

Cannot be determined

4.

What is the expected genotype ratio for a monohybrid cross between two heterozygous parents (Aa x Aa)?

a)

1:2:1 (AA:Aa:aa)

b)

3:1 (AA:aa)

c)

2:1:1 (AA:Aa:aa)

d)

1:3 (Aa:aa)

5.

Match the following

a)

Incomplete Dominance

1.

Traits Blend RR'

b)

Codominance

2.

Traits appear together RW

c)

Multiple Alleles

3.

More than 2 alleles possible: ABO

6.
T2 - Which observation of dihybrid crosses led to Mendel's law of independent assortment
a)
Particular individual traits persisted for many generations
b)
Many combinations of traits were always inherited together
c)
Some combinations of traits were not passed onto offspring
d)
The presence of one trait didn't affect the presence of another
7.

Two parents appear normal without the disorder of cystic fibrosis. How could their child get the disorder?

a)

Both parents are carriers.

b)

One parent is a carrier.

c)

The child is adopted.

d)

the disorder is dominant and shows in the child.

8.

Colorblindness is a sex-linked trait. What is the probability a son will inherit CB if the mother is a carrier?

a)

0%

b)

25%

c)

50%

d)

75%

9.

The following pedigree inheritance is

a)

Autosomal dominant

b)

Autosomal Recessive

c)

Sex-Linked Recessive

10.

This flower is an example of (a)   inheritance pattern.

Choose from the below words
polygenic traits
incomplete dominance
multiple alleles
codominance
11.

Which genetic disorder can block the veins and prevent oxygen from flowing?

a)

Sickle Cell Disease

b)

Cystic Fibrosis

c)

Down syndrome

d)

Hemophilia

12.

In humans, sex-linked trait of color blindness is recessive to normal vision. Click on the parent that is a carrier for color blindness.

13.

Two parents are concerned their baby was switched in the hospital because the baby has blood type B and neither parent has blood type B. Which blood types within the parents could actually produce a baby with blood type B if neither parent has blood type B?

a)

AB and A heterozygous

b)

AB and A homozygous

c)

Both parents are AB

d)

AB and O