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Genetics Review - Part 1

Total questions: 20

Worksheet time: 5hrs 31mins

Name
Class
Date
1.

Heredity is the passing of traits from _____________________ to _____________________

a)

predators to prey

b)

water to rain

c)

parents to offspring

d)

offspring to parents

2.

___________________________ is the study of how traits are passed on, or inherited.

a)

dominant traits

b)

recessive traits

c)

phenotype

d)

genetics

3.

Janet is a fast runner. This is an example of an _______

a)

Inherited trait

b)

Acquired trait

4.

George has blonde hair. This is an example of an ________

a)

Acquired trait

b)

Inherited trait

5.

If a child has red hair, they inherited a certain _______________ from their parents.

a)

ratio

b)

trait

c)

probability

d)

ability

6.
One trait that is ALWAYS present and causes the other traits to disappear is a ________________________
a)
recessive trait
b)
aggressive trait
c)
absent trait
d)
dominant trait
7.

_____________________ is the physical appearance of an organism (how it looks)

a)

phenotype

b)

ratio

c)

recessive trait

d)

heredity

8.

Dominant or recessive?


tt

a)

Dominant

b)

Recessive

9.

Dominant or recessive?


Dd

a)

Dominant

b)

Recessive

10.

Dominant or recessive?


TT

a)

Dominant

b)

Recessive

11.

Dominant genes are represented by a ________

a)

Male gene

b)

lowercase letter

c)

recessive trait

d)

capital letter

12.

AA and Aa are _______ traits

a)

dominant

b)

recessive

13.

Dominant or recessive?


aa

a)

dominant

b)

recessive

14.

This table shows the genetic possibilities for a pea plant. Rr is ______

a)

Dominant

b)

Recessive

15.

This table shows the genetic possibilities for a pea plant. rr is ______

a)

Dominant

b)

Recessive

16.

This table shows the genetic possibilities for a pea plants. R represents the trait for tall pea plants. r represents the trait for short pea plants. How many pea plants will be tall?

a)

1

b)

2

c)

3

d)

4

17.

This table shows the genetic possibilities for a pea plants. R represents the trait for tall pea plants. r represents the trait for short pea plants. How many pea plants will be short?

a)

1

b)

2

c)

3

d)

4

18.

Rr is an example of ________

a)

genotype

b)

phenotype

19.

Describing a pea plant as "tall" is an example of the plant's _________

a)

genotype

b)

phenotype

20.

True or False:

We get 1/2 of our genes from our mother and 1/2 of our genes from our father

a)

True

b)

False