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Grade 8 Science Quiz: Mendelian Genetics

Total questions: 14

Worksheet time: 7mins

Name
Class
Date
1.

Who pioneered on the study of Genetics?

a)

Carolus Linnaeus

b)

Charles Darwin

c)

Gregor Mendel

d)

Robert Brown

2.

Which pair of dissimilar alleles for a certain trait is called?

a)

Allele

b)

Homozygous genes

c)

Heterozygous genes

d)

Chromosome

3.

What is the study of genes to determine traits inherited by the offspring from the parents?

a)

Histology

b)

Zoology

c)

Botany

d)

Genetics

4.

Which genotype of an organism is with the same alleles for a trait?

a)

Polygenes

b)

Homozygous genotype

c)

Genes

d)

Heterozygous genotype

5.

The genetic makeup of an organism is called?

a)

Phenotype

b)

Heredity

c)

Offsprings

d)

Genotype

6.

Which of the following is a heterozygous dominant genotype?

a)

HHH

b)

hh

c)

HH

d)

Hh

7.

A monohybrid cross is a cross using?

a)

two factors or characters

b)

a combination of characters

c)

a single trait or character

d)

several factors or characters

8.

Which does not describe Gregor Mendel?

a)

An Austrian monk

b)

Father of Genetics

c)

Author of Punnet Square

d)

Proponent of Law of Dominance

9.

Which pair of letters represents a pure line dominant trait?

a)

tt

b)

Ee

c)

Gg

d)

CC

10.

Which refers to the physical appearance of an organism?

a)

Phenotype

b)

Genes

c)

Allele

d)

Genotype

11.

Which is NOT an example of an allele?

a)

DD

b)

tt

c)

Bb

d)

Dr

12.

Which of the following is an example of a homozygous genotype?

a)

Tc

b)

TT

c)

tc

d)

Tt

13.

The Law of Segregation states that?

a)

genes are in pairs which control the appearance of a particular trait

b)

the distribution or assortment of one pair of genes is independent of the distribution of the other pair

c)

traits are inherited independent of each other

d)

all pairs of genes for all the traits of an organism segregate or separate from each other during meiosis or gametes formation

14.

The Law of Independent Assortment states that?

a)

traits are inherited independent of each other

b)

the distribution or assortment of one pair of genes is independent of the distribution of the other pair

c)

genes are in pairs which control the appearance of a particular trait

d)

all pairs of genes for all the traits of an organism segregate or separate from each other during meiosis or gametes formation