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Miller Levine Biology CH 11 Test

Total questions: 20

Worksheet time: 16mins

Name
Class
Date
1.

Gregor Mendel is known as

a)

the father of peas

b)

the father of inheritance

c)

the father of genetics

d)

the father of cross-breeding

2.

Which principle states that during gamete formation genes for different traits separate without influencing each other's inheritance ?

a)

principle of dominance

b)

principle of independent assortment

c)

principle of probabilities

d)

principle of segregation

3.

If an organism's diploid number is 12, its haploid number is

a)

12

b)

6

c)

24

d)

3

4.

Gametes are produced by the process of

a)

mitosis

b)

meiosis

c)

crossing-over

d)

replication

5.

Linked genes

a)

are never separated

b)

assort independently

c)

are on the same chromosome

d)

are always recessive

6.

Gene maps are based on

a)

the frequencies of crossing-over

b)

independent assortment

c)

genetic diversity

d)

the number of genes in a cell

7.

The different forms of a gene are called

a)

traits

b)

pollinations

c)

alleles

d)

hybrids

8.

Organisms that have two identical alleles for a particular trait are said to be

a)

hybrid

b)

homozygous

c)

heterozygous

d)

crazy

9.

When you flip a coin, what is the probability that it will come up tails ?

a)

1

b)

1/2

c)

1/4

d)

1/8

10.

A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breeed will be

a)

black

b)

white

c)

gray

d)

speckled

11.

Why did Thomas hunt Morgan use fruit flies in his studies ?

a)

they produce a large number of offspring

b)

take a long time to produce offspring

c)

share certain characteristics with pea plants

d)

have a long life span

12.

Variation in human skin color is an example of

a)

incomplete dominance

b)

codominance

c)

polygenic trait

d)

multiple alleles

13.

Gregor Mendel's principles of genetics apply to

a)

planys only

b)

animals only

c)

pea plants only

d)

all organisms

14.

A tetrad consists of

a)

a homologous pair of chromosomes, each made of two chromatids

b)

the copies of a chromosome that are normally in cells

c)

two sister chromatids that have been replicated diring interphase

d)

a parental chromosome that was replicated to form a pair, then replicated again.

15.

Unlike mitosis, meiosis results in the formation of

a)

diploid cells

b)

haploid cells

c)

2N daughter cells

d)

body cells

16.

The relative locations of each known gene can be shown on a

a)

alleles

b)

crossing over

c)

gene map

d)

no one knows

17.

In the punnett square, what is the genotype of the father?

(a)  

18.

Situations where one allele for a gene is not completely dominant over another allele for that gene is called

a)

multiple alleles

b)

incomplete dominance

c)

polygenic inheritance

d)

multiple genes

19.

The artic fox is blue-grey in the summer and white in the winter. What influences this change ?

a)

genes and environment

b)

dominant alleles

c)

the environment alone

d)

codominant alleles

20.

An organism's genes have ____________ the number of chromosomes found in the body cells.

a)

all

b)

some

c)

half

d)

double