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Introduction to Genetics Quiz 1

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

These are known as the purebreed samples that are to be crossed in a breeding experiment.

a)

F1

b)

F2

c)

P

d)

X

2.

Gg is an example of a __________ genotype.

a)

Homozygous dominant

b)

Homozygous recessive

c)

Heterozygous

d)

Dominant

3.

GG is an example of a __________ genotype.

a)

Homozygous dominant

b)

Homozygous recessive

c)

Heterozygous

d)

Dominant

4.

The allele that is always mask in an heterozygous genotype is called?

a)

Homozygous

b)

Recessive allele

c)

Heterozygous

d)

Dominant allele

5.

An organism’s genotype is its _______.

a)

genetic makeup

b)

feather color

c)

physical appearance

d)

makeup

6.

An organism that has two non identical alleles for a trait is ________.

a)

codominant.

b)

tall.

c)

homozygous.

d)

heterozygous.

7.

A homozygous organism has _______.

a)

three different alleles for a trait.

b)

two identical alleles for a trait.

c)

only one allele for a trait.

d)

two different alleles for a trait.

8.

The genetic cross between two parents for one trait is called?

Example BB x bb

a)

Incomplete Dominance

b)

Dihybrid Cross

c)

Monohybrid Cross

d)

Iron Cross

9.

What did Gregor Mendel use to discover the principles that rule heredity?

a)

Allium sativum

b)

Vigna radiata

c)

Pisum sativum

d)

Pilum Murialis

10.

In Mendel's experiment, the appearance of a trait was affected a factor known as ______.

a)

order

b)

genes

c)

traits

d)

parents

11.

What is probability?

a)

the actual results from a series of events

b)

the likelihood that a particular event will occur

c)

the way the results of one event affect the next event

d)

the number of times a coin lands heads up

12.

A tool used in predicting the variety of outcomes from crossbreeding.

a)

Puneett square

b)

Punette square

c)

Punnet square

d)

Punnett square

13.

The differences that makes one organism different from it parents.

(a)  

14.

Science that deals with the heredity and variation of organisms.

(a)  

15.

Refers to the passing of traits from generation to generation.

(a)