wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Pedigree-genetics

Total questions: 40

Worksheet time: 32mins

Name
Class
Date
1.

What is the study of heredity?

a)

biology

b)

pedigrees

c)

Punnett Squares

d)

Genetics

2.

A dominant allele is represented by

a)

a lower case letter.

b)

a capital letter.

c)

an X.

d)

a Y.

3.

Which term means "same alleles"?

a)

heterozygous.

b)

genes.

c)

homozygous.

d)

DNA.

4.

A genotype is

a)

the physical appearance of an organism.

b)

a made up word for genes.

c)

not even a word.

d)

two alleles that an organism possesses.

5.

A snapdragon is red, white, or pink. This means it is determined by

a)

Mendelian genetics.

b)

incomplete dominance.

c)

codominance.

d)

sex-linked inheritance.

6.

Which combination of sex chromosomes results in a male?

a)

XX

b)

YY

c)

XY

7.

If the person is filled in

a)

they don't have the disorder.

b)

they are homozygous dominant.

c)

they are heterozygous.

d)

they are homozygous recessive.

8.

Generation 2 individuals 5 and 6 are

a)

brother and sister.

b)

cousins.

c)

married.

d)

not related.

9.
A characteristic that is passed from parent to offspring
a)
inherited trait
b)
chromosome
c)
pedigree
d)
DNA
10.
A chart that traces the history of traits in a particular family
a)
DNA
b)
pedigree
c)
chromosome
d)
variation
11.
Deoxyribonucleic acid, a long, complex molecule that controls heredity
a)
inherited trait
b)
chromosome
c)
DNA
d)
pedigree
12.
The passing of inherited traits from parents to offspring
a)
acquired traits
b)
inherited traits
c)
heredity
d)
genetics
13.
Which individual in the first generation is a carrier?
a)
The male
b)
The female
c)
individual 1
d)
None of the above
14.
In the second generation-how many people have the disease or display the physical trait?
a)
2
b)
4
c)
5
d)
6
15.
How many people in this whole pedigree have the trait/disease?
a)
2
b)
3
c)
4
d)
6
16.
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
17.
a)
Not affected Female
b)
Not affected Male
c)
Affected Male
d)
Affected Female
18.
a)
Not Affected Male
b)
Not Affected Female
c)
Affected Male
d)
Affected Female
19.
Freckles (F) are dominant over nonfreckles.   What is the phenotype of individual #3
a)
Ff
b)
ff
c)
freckles 
d)
nonfreckles 
20.
The genotype of the affected son and daughter at the bottom of this pedigree...
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
Can't tell
21.

Which of the following is homozygous recessive

a)

Rr

b)

RR

c)

rr

d)

all of them

22.

Which term describes the different forms of a gene

a)

Chromosome

b)

Allele

c)

DNA

d)

Punnett Squares

23.

This image shows a_____

a)

Punnett Squre

b)

PHenotype

c)

Pedigree

d)

Homozygous Dominate genotype

24.

A phenotype is

a)

Dominance

b)

Physical appearance

c)

Recessiveness

d)

Letter Combinations

25.

Having two of the same genes for the same trait

a)

heterozygous

b)

chromosome

c)

protein

d)

homozygous

26.

Which of the following is a phenotype

a)

bb

b)

Bb

c)

BB

d)

blue eyes

27.

Having two different genes for a trait is called

a)

homozygous

b)

heterozygous

c)

protein

d)

genotype

28.

Which of the following genotypes would be considered heterozygous?

a)

BB

b)

gg

c)

Ff

d)

TT

29.
a tool to organize all of the possible combinations of offspring from particular parents
a)
Punnett square
b)
gene
c)
fertilization
d)
mitosis
30.
has one dominant allele and one recessive allele [sometimes called “hybrid” cross]
a)
heterozygous
b)
homozygous
c)
phenotype
d)
genotype
31.
reproduction that does not involve the union of sex cells and in which on parent produces offspring that are genetically identical to the parent
a)
asexual
b)
sexual
c)
meiosis
d)
heterozygous
32.
a process in cell division during which the number of chromosomes decrease to half  the original number by two divisions of the nucleus, which results in the reproduction of sex cells (gametes or spores)
a)
meiosis
b)
mitosis
c)
asexual reproduction
d)
homologous chromosomes
33.
in eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes
a)
mitosis
b)
meiosis
c)
sexual reproduction
d)
homologous chromosome
34.
The dominant trait is
a)
yellow pea seeds
b)
green pea seeds
c)
there is no dominant seed
d)
Jolly green giant
35.
What are the possible genotypes for this cross?
a)
TT = 25% Tt= 50% tt=25%
b)
all tall
c)
TT= 75% tt = 25%
d)
Tt = 100%
36.
Two heterozygous parents produce offspring. What is the probability of the HOMOZYGOUS DOMINANT GENOTYPE appearing in the offspring generation?
a)
75%
b)
25%
c)
50%
d)
100%
37.
Two heterozygous parents produce offspring. What is the probability of the HETEROZYGOUS GENOTYPE appearing in the offspring generation?
a)
75%
b)
25%
c)
50%
d)
100%
38.
True or False:  Recessive traits are ALWAYS present 
a)
True
b)
False
39.
Genotype refers to the ...
a)
physical expression of the genes
b)
the possible combination of alleles in a gene
c)
whether an allele is dominant or recessive
d)
how an organism will appear
40.
AA and Aa always show up as
a)
dominant
b)
recessive

Similar Resources on Wayground

7th Grade Guaranteed Standard Review

37 questions

7th Grade Guaranteed Standard Review

quiz

Worksheet

•

7th Grade

Final Review Quizizz Go Falcons!

35 questions

Final Review Quizizz Go Falcons!

quiz

Worksheet

•

7th - 8th Grade

Simple Machine

35 questions

Simple Machine

quiz

Worksheet

•

6th - 9th Grade

Waves

43 questions

Waves

quiz

Worksheet

•

8th Grade

Moon phases

45 questions

Moon phases

quiz

Worksheet

•

8th Grade

3rd Nine Weeks Review

36 questions

3rd Nine Weeks Review

quiz

Worksheet

•

8th Grade

Benchmark Review

40 questions

Benchmark Review

quiz

Worksheet

•

7th Grade

plate tectonics, earths spheres, energy, em spectrum

37 questions

plate tectonics, earths spheres, energy, em spectrum

quiz

Worksheet

•

6th - 8th Grade