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Worksheets

Heredity & Meiosis

Total questions: 40

Worksheet time: 1hrs 20mins

Name
Class
Date
1.
An organism's appearance or other detectable characteristic
a)
genotype
b)
phenotype
c)
allele
d)
genetic variation
2.
Mendel used pea plants in his experiments on heredity because 
a)
they can self-pollinate
b)
grow quickly
c)
their are many traits
d)
all of the above
3.
Punnet squares are used to predict 
a)
chromosomes for parents
b)
chromosomes for offspring
c)
possible genotypes of offspring
d)
possible genotypes for parents
4.
One of the alternative forms of a gene that governs a characteristic.
a)
Allele
b)
genetic variation
c)
genotype
d)
characteristic
5.
P=purple flower color
p=white flower color, if a flower has a genotype Pp its phenotype would be
a)
white
b)
purple
c)
violet
d)
pink
6.

An organism with two of the same alleles for a given trait is said to be

a)

heterozygous

b)

homozygous

c)

dominant

d)

hybrid

7.

A specific segment on a chromosome that codes for a trait

a)

protein

b)

nucleotide

c)

amino acid

d)

gene

8.

one consequence of ozone depletion is the increase in UV-rays reaching earths surface, this will then increase

a)

the rate of disjunction during gamete formation

b)

the rate of synapsis during meiosis

c)

the rate of hybridization in offspring

d)

the rate of genetic mutations in the DNA

9.

Traits that are located on the same chromosomes are typically inherited together, these are said to be

a)

homologous traits

b)

linked traits

c)

heterozygous traits

d)

homozygous traits

10.

which of the following is NOT one of mendel's 3 laws?

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

d)

Law of Crossing Over

11.

Aneuploidy is the presence of an abnormal number of chromosomes in a cell, this is caused by

a)

nondisjunction

b)

synapsis

c)

segregation

d)

crossing over

12.

What is the name of the male gonad?

a)

sperm

b)

ovum

c)

testes

d)

ovary

13.

The process of meiotic cell division results in

a)

2 diploid cells

b)

4 haploid cells

c)

2 haploid cells

d)

4 diploid cells

14.

The process of mitotic cell division results in

a)

2 diploid cells

b)

4 haploid cells

c)

2 haploid cells

d)

4 diploid cells

15.

In a rabbit. which two cells would have the same chromosome number

a)

a sperm and a fertilized egg

b)

a liver cell and a gamete

c)

a kidney cell and a brain cell

d)

a skin cell and an ovum

e)

a fertilized egg and a eye cell

16.

Which process results in the formation of a tetrad

a)

disjuction

b)

nondisjunction

c)

mitosis

d)

synapsis

17.

What is the sex of individual #1

a)

male

b)

female

c)

not enough information

18.

How many children did individual 1 and 2 have ?

a)

1

b)

2

c)

3

d)

4

19.

Filled in shapes represent individuals who express the trait, which is recessive, what is the genotype of individual 7

a)

aa

b)

AA

c)

Aa

d)

AA or Aa

20.

Filled in shapes represent individuals who express the trait, which is recessive, what is the genotype of individual 5

a)

aa

b)

AA

c)

Aa

d)

AA or Aa

21.

Filled in shapes represent individuals who express the trait, which is recessive, what is the genotype of individual 2

a)

aa

b)

AA

c)

Aa

d)

AA or Aa

22.

In which method of reproduction is the most variation among offspring created?

a)

Method A

b)

Method B

c)

Both

d)

Neither

23.

Which is true of a human sperm cell

a)

It contains a total of 46 chromosomes

b)

It contains a total of 23 pairs of chromosomes

c)

It contains a total of 23 chromosomes

d)

It contains a total of 46 pairs of chromosomes

24.

When an organism has 3 or more complete SETS of chromosomes

a)

trisomy

b)

polyploidy

c)

monosomy

d)

aneuploidy

25.

when an organism has 3 of a single chromosome

a)

trisomy

b)

triploidy

c)

monosomy

d)

polyploidy

26.

The setup of a punnet square is used to depict that each parent contributes only one of their two alleles to their child, which law does this demonstrate?

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

d)

Law of Genetics

27.

Mendel bred yellow wrinkled peas with green round peas, in the offspring he found offspring who were yellow and round, as well as yellow and wrinkled, which law does this demonstrate?

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

d)

Law of Genetics

28.

When a purebred purple flower is mated with a white flower the offspring are always purple, what law does this demonstrate?

a)

Law of Dominance

b)

Law of Segregation

c)

Law of Independent Assortment

d)

Law of Genetics

29.

An organism with two different alleles (Aa) is

a)

homozygous

b)

heterozygous

c)

heterotroph

d)

homologous

30.

The cellular process by which two identical daughter cells are produced

a)

mitosis

b)

meiosis

c)

synapsis

d)

disjunction

31.

Some traits are considered linked, this means the are on the same chromosome and typically come together (red hair & freckles) which process is responsible for separating these traits?

a)

independent assortment

b)

segregation

c)

nondisjunction

d)

crossing over

32.

Traits that are NOT linked (on different chromosomes) are not inherited together, eye color and hair color are examples of this. Which is responsible for these traits not coming together?

a)

independent assortment

b)

segregation

c)

nondisjunction

d)

crossing over

33.

Red flowers and White flowers produce pink offspring, what type of inheritance is this?

a)

complete dominance

b)

incomplete dominance

c)

codominance

d)

multiple alleles

34.

Red coated cattle and White coated cattle produce red AND white coated offspring, what type of inheritance is this?

a)

complete dominance

b)

incomplete dominance

c)

codominance

d)

multiple alleles

35.

Human ABO blood typing exhibits what type of inheritance pattern?

a)

complete dominance

b)

incomplete dominance

c)

codominance

d)

multiple alleles

36.

Which of the following are sex linked traits?

a)

colorblindness

b)

hemophilia

c)

eye color

d)

tay sachs

37.

A picture of the chromosomes found in a cell of an organism is known as

a)

pictography

b)

chromatography

c)

karyotype

d)

microscopic resonance imaging

38.

how many autosomes do humans have?

a)

44 autosomes

b)

22 autosomes

c)

23 autosomes

d)

46 autosomes

39.

In order to determine if an individual with the dominant phenotype is homozygous or heterozygous a test cross is done, this involves mating them with

a)

a homozygous recessive

b)

a homozygous dominant

c)

a heterozygous domiant

d)

a herterozygous recessive

40.

What chromosomal error occurred ?

a)

deletion

b)

duplication

c)

translocation

d)

inversion