Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

review heredity

Total questions: 76

Worksheet time: 1hrs 22mins

Name
Class
Date
1.

In humans, the haploid number of chromosomes is ____.

a)

23

b)

46

c)

69

d)

92

2.

What is unique to Prophase I- is that the duplicated chromosomes pair up to form _______.

a)

a centrosome

b)

a tetrad

c)

the mitotic spindle

d)

sister chromatids

3.

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

a)

Anaphase I

b)

Metaphase I

c)

Prophase I

d)

Telophase I

4.

In Anaphase I, the _________ are separated by the pulling of the spindle fibers to opposite poles of the cell.

a)

homologous pairs of chromosomes

b)

sister chromatids

c)

centromeres

d)

centrosomes

5.

In Metaphase II, _________ line up on equatorial plane.

a)

homologous pairs of chromosomes

b)

single chromosomes (made up of 2 sister chromatids)

c)

tetrads

d)

centrosomes

6.

In Anaphase II, the _________ separate.

a)

Homologues

b)

Sister Chromatids

c)

Tetrads

d)

Centrioles

7.

How many cells are formed at the end of Meiosis II?

a)

2

b)

3

c)

4

d)

8

8.

CROSSING OVER ALLOWS FOR WHAT TO HAPPEN?

a)

ALL CELLS TO STAY THE SAME

b)

GENETIC VARIATION

c)

REDUCTION OF CHROMOSOMES

d)

CHROMOSOME NUMBER TO INCREASE

9.

WHAT DOES MEIOSIS CREATE?

a)

CHROMOSOMES

b)

GAMETES

c)

DNA

d)

TRAITS

10.

Name this phase of Meiosis

a)

Anaphase II

b)

Anaphase I

c)

Metaphase I

d)

Metaphase II

11.

Name this phase of Meiosis:

a)

Telophase I

b)

Prophase II

c)

Telophase II

d)

Anaphase II

12.

Sea turtles have 56 chromosome in their somatic cells. How many chromosomes are in their gametes?

a)

28

b)

56

c)

112

d)

46

13.

What is another term for body cells?

a)

somatic cells

b)

gamete

c)

stem cell

d)

neural cell

14.

Using the diagram, which type of asexual reproduction is being demonstrated by the bacterial cell?

a)

Binary Fission

b)

Budding

c)

Spore Formation

d)

Regeneration

15.
If an organism reproduces asexually, its offspring will most likely be:
a)
produced as a result of fertilization
b)
Genetically identical to the parent
c)
Genetically different from each other
d)
Produced from specialized cells known as gametes
16.
Which statement below is correct about asexual reproduction and sexual reproduction?
a)

Asexual reproduction and sexual reproduction both involve one parent

b)

Sexual reproduction involves making clones and asexual reproduction creates diverse/different offspring

c)

Asexual reproduction creates clones and sexual reproduction creates diverse/different offspring

17.
What is an advantage of sexual reproduction?
a)
Allows genetic variation
b)
Only needs one parent
c)
Offspring are exact copies of parent
18.
What is one disadvantage of sexual reproduction?
a)

Only one parent needed

b)

Offspring are exact copies of parents

c)

Happens very quickly

d)

Needs two parents

19.

Which type of asexual reproduction is pictured?

a)

Spore Formation

b)

Regeneration

c)

Budding

d)

Vegetative Propagation

20.

Which type of asexual reproduction is pictured?

a)

Spore Formation

b)

Regeneration

c)

Budding

d)

Vegetative Propagation

21.

What is a gamete?

a)

sex cell

b)

human cells

c)

plant cells

d)

plant and animal cells

22.

Which type of reproduction tends to produce more offspring?

a)

Sexual

b)

Asexual

c)

They occur at the same rate

23.

Which type of reproduction tends to be a longer process?

a)

Sexual

b)

Asexual

c)

They occur at the same rate

d)

Both are slow processes

24.

Budding, vegetative propagation, regeneration, and binary fission are all types of

a)

sexual reproduction

b)

asexual reproduction

25.

In which type of reproduction do the sperm and egg cell join?

a)

asexual

b)

sexual

26.

some plants can send out runners that sprout daughter plants, this is called:

a)

vegetative propagation

b)

budding

c)

fragmentation

d)

binary fission

27.
What goes in box 3
a)

Aabb

b)

Abab

c)

AAbb

d)

aaBb

28.
This type of inheritance pattern is a MIXTURE of both traits, like the old theory of blending
a)

incomplete dominance

b)

co-dominance

c)

complete dominance

d)

recessive pattern

29.

Match the following combinations of alleles:

a)

Homozygous dominant

1.

DD

b)

Homozygous recessive

2.

dd

c)

Heterozygous

3.

Dd

30.
What is the genotype for a pea plant heterozygous for round seeds (R), and homozygous recessive for green seeds (y)?
a)

Ry

b)

RRyy

c)

RrYy

d)

Rryy

31.
The genotypic percentage resulting from this this cross would be _____________________.
a)
25% blue eye 75 % brown eye 
b)
BB = 25% Bb = 50% bb = 25%
c)
BB= 50 % bb = 50%
d)
All brown eye
32.
What term describes what you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
33.
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%
34.

A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb?

a)

0%

b)

25%

c)

50%

d)

75%

35.
If this pedigree shows an autosomal recessive disorder, what MUST the genotype of individual II-3 be?
a)
HH
b)
Hh
c)
hh
d)
None of the above
36.
What is the genotype of the mother?
a)
BB
b)
bb
c)
Bb
d)
BB or Bb
37.

What is the mode of inheritance shown here?

a)

Autosomal Recessive because it "skips" a generation

b)

Autosomal Dominant because it shows up in every generation

c)

X linked because it affects females more than males

38.

What type of disorder does this pedigree chart reflect?

a)

autosomal dominant

b)

autosomal reccessive

c)

sex-linked recessive

d)

Y-linked dominant

39.

TT; big letters are ___________

a)

recessive

b)

dominant

c)

nothing

40.

tt, small letters are ______

a)

DNA

b)

dominant

c)

recessive

41.

a ___________ is a letter combination of an allele

a)

phenotype

b)

genotype

c)

dominant

d)

recessive

42.

Tt, Hh, Rr

a)

homozygous

b)

heterozygous

c)

recessive

d)

phenotypes

43.

TT, RR, WW, SS

a)

homozygous recessive

b)

homozygous dominant

c)

heterozygous

d)

recessive

44.

rr, tt, hh, gg

a)

homozygous dominant

b)

heterozygous

c)

homozygous recessive

d)

strong

45.
Which is the correct phenotype for this organism?
a)
BB
b)
blue
c)
green
d)
bb
46.
Brown fur color is dominant over black fur color. Which of the following is the actual genotype of ALL of the offspring in the next generation of this cross for fur color?
AA x aa
a)
AA
b)
Aa
c)
aa
d)
brown fur
47.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
48.
Which of the following genotypes is a purebred?
a)
Bb
b)
Gg
c)
bb
d)
Dd
49.
One form of a gene is called_______________
a)
a DNA
b)
a Phenotype
c)
a trait
d)
an allele
50.
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
a)
0 %
b)
25%
c)
50%
d)
75%
51.

In fruit flies, eye color is a sex-linked trait.  Red (R) is dominant to white (r).

Which genotype shows a female fly with white eyes?

a)

XRXrX^{R^{ }}X^r

b)

XRXRX^RX^R

c)

XrXrX^rX^r

52.

Match the following. H= no hemophilia, h = hemophilia

a)

Male without hemophilia

1.

XHY

b)

Female with hemophilia

2.

XhXh

c)

Female Carrier

3.

XH Xh

d)

Male with hemophilia

4.

XhY

e)

Female who is NOT a carrier

5.

XHXH

53.

What is the likelihood of this cross have a child that is colorblind?

a)

100%

b)

75%

c)

50%

d)

25%

54.

What is the chance that a daughter will be colorblind?

a)

100%

b)

50%

c)

25%

d)

0%

55.

Who is more likely to have an X-linked trait?

a)

Males

b)

Females

c)

Both males and females

56.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
57.

How are individuals III-2 and II-4 related?

a)

Brother and sister

b)

Dad and daughter

c)

Uncle and niece

d)

Grandfather and granddaughter

58.

How many individuals are there in the 3rd generation?

a)

1

b)

2

c)

4

d)

6

59.

On a pedigree, this symbol represents a ----

a)

not affected male.

b)

not affected female.

c)

affected male.

d)

affected female.

60.

Which gender has an X and a Y chromosome?

a)

male

b)

female

61.

Examples include skin color and height (the individual's phenotype exists somewhere along a spectrum)

a)

polygenic inheritance

b)

multiple alleles

c)

linked genes

d)

incomplete dominance

62.
If a father is AA and a mother is AB, what is the probability for a child with AB blood? 
a)
0%
b)
25%
c)
50%
d)
75%
63.

What is NOT a possible genotype for someone with type B blood?

a)

BB

b)

AB

c)

BO

64.

Look at this cross: XB XB x Xb Y

What proportion/percent of the male children are colorblind (b)?

a)

100%

b)

75%

c)

25%

d)

0%

65.

H= normal blood clotting

h=hemophilia


XHXh x XHY


What is the probability that any of their offspring will have hemophilia?

a)

4/4

b)

3/4

c)

2/4

d)

1/4

66.

The two cows on the top are the parents and the cow on the bottom is the offspring. What is the type of inheritance pattern is being exhibited?

a)

Incomplete Dominance

b)

Codominance

c)

Multiple Alleles

d)

Polygenic Inheritance

67.
Identify the mutation in the picture.
a)
Inversion
b)
Deletion
c)
Duplication
d)
Translocation
68.
Identify the mutation in the picture.
a)
Inversion
b)
Duplication
c)
Deletion
d)
Translocation
69.
Identify the mutation in the picture.
a)
Deletion
b)
Inversion
c)
Duplication
d)
Translocation
70.
What type of chromosomal mutation has occurred?
a)
substitution
b)
insertion
c)
deletion
d)
nondisjunction
71.
What process occurs during meiosis that can result in chromosomal disorders?
a)
crossing over
b)
non-disjunction
c)
anaphase I
d)
prophase II
72.
A chromosome is found to be shorter than it's homologous match.  Which type of mutation would this most likely be?
a)
insertion
b)
deletion
c)
translocation
d)
inversion
73.

Match the following

a)

1.

Substitution Point Mutation

b)

2.

Insertion Frameshift Mutation

c)

3.

Deletion Frameshift Mutation

74.

______________________________________ is a type of chromosomal mutation when part of the chromosome breaks off and attaches to another chromosome.

a)

duplication

b)

translocation

c)

subtraction

d)

deletion

75.

This type of chromosomal mutation produces an extra copy of all or part of the chromosome:

a)

multiplication

b)

replication

c)

duplication

d)

inversion

76.

If part of the chromosome is turned around in the opposite direction this is called:

a)

inversion

b)

translocation

c)

deletion

d)

duplication

Similar Resources on Wayground

MYP Chemistry unit review

80 questions

MYP Chemistry unit review

quiz

Worksheet

•

8th - 11th Grade

Mid-Term Review - Astronomy

81 questions

Mid-Term Review - Astronomy

quiz

Worksheet

•

10th Grade

Electricity

80 questions

Electricity

quiz

Worksheet

•

11th Grade

Batts Anatomy and Physiology Semester 1 Review

80 questions

Batts Anatomy and Physiology Semester 1 Review

quiz

Worksheet

•

11th - 12th Grade

Beaks of Finches State Lab

72 questions

Beaks of Finches State Lab

quiz

Worksheet

•

9th Grade

Code.org Coding Blocks

78 questions

Code.org Coding Blocks

quiz

Worksheet

•

9th Grade

Marine Bio B Exam Review - Mollusca/Porifera

79 questions

Marine Bio B Exam Review - Mollusca/Porifera

quiz

Worksheet

•

11th - 12th Grade

Physical Science Final Review

72 questions

Physical Science Final Review

quiz

Worksheet

•

9th - 12th Grade