Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Genetics vocabulary

Total questions: 20

Worksheet time: 3hrs 50mins

Name
Class
Date
1.

The branch of biology that studies how characteristics are passed from parent to offspring? (hint: name of the unit)

a)

mitosis

b)

genetics

c)

cellular respiration

d)

photosynthesis

2.

Big - TT or Tt

a)

Dominant

b)

Recessive

3.

The genetic makeup (letters)

a)

genotype

b)

phenotype

4.

Two different alleles for a trait (Tt)

a)

Homozygous

b)

Heterozygous

5.

A different form of a trait (brown, green, or blue eye color)

a)

allele

b)

recessive

c)

genetics

d)

phenotype

6.

The physical appearance (words)

a)

phenotype

b)

genotype

7.

small letters (tt)

a)

dominant

b)

recessive

8.

same letter (tt or TT)

a)

homozygous

b)

heterozygous

9.

Bb ____

a)

Homozygous Dominant (HD)

b)

Homozygous recessive (HR)

c)

Heterozygous (HE)

10.

DD ____

a)

Homozygous Dominant (HD)

b)

Homozygous recessive (HR)

c)

Heterozygous (HE)

11.

nn ____

a)

Homozygous Dominant (HD)

b)

Homozygous recessive (HR)

c)

Heterozygous (HE)

12.

Which of the following is heterozygous (He)

a)

FF

b)

tt

c)

Gg

13.

Which of the following is homozygous recessive (HR)?

a)

rr

b)

AA

c)

Ff

14.

What does the prefix homo- in homozygous mean?

a)

same

b)

different

15.

What does the prefix hetero- in heterozygous mean?

a)

same

b)

different

16.

Which of the following is heterozygous (He)?

a)

Ww

b)

ii

c)

DD

17.

Which of the following is homozygous dominant (HD)?

a)

Jj

b)

ee

c)

MM

18.

Chris is homozygous dominant (HD). If W for widow's peak, and w is for no widow's peak, what is Chris' genotype?

a)

WW

b)

ww

c)

Ww

19.

Mary is heterozygous (He). If F for freckles, and f is for no freckles, what is Mary's genotype?

a)

FF

b)

Ff

c)

ff

20.

TT

a)

Homozygous Dominant

b)

Homozygous Recessive

c)

Heterozygous