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Genetics

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.

A ______________ allele is a trait that shows up in an organism when present.

a)

Homozygous

b)

Recessive

c)

Dominant

d)

Heterozygous

2.
Who is the father of Genetics?
a)
Robert Hooke
b)
Jane Goodall
c)
Gregor Mendel
d)
Albert Einstein
3.
An organism's genetic makeup or allele combination is called their_____________.
a)
Phenotype
b)
Genotype
c)
Hybrid
d)
Purebred
4.
What is the scientific study of Heredity?
a)
Genetics
b)
DNA
c)
RNA
d)
Biology
5.
What is the chart that shows all possible combinations of alleles that can result from a genetic cross?
a)
4 square
b)
Sonnett square
c)
Punnett square
6.
What do we call offspring of many generations that have the same trait?
a)
Hybrid
b)
Purebred
c)
Whitebread
d)
Ryebread
7.
What is an organism's physical appearance?
a)
Phenotype
b)
Genotype
c)
Purebred
d)
Hybrid
8.
What is a number that describes how likely an event will occur?
a)
Problems
b)
Probability
c)
Luck of the dice
9.
When you have two different alleles for a trait, this is called being_____________.
a)
homozygous
b)
the same
c)
heterozygous
d)
purebred
10.
What are the different forms of a gene called?
a)
DNA
b)
Chromosomes
c)
RNA
d)
Alleles
11.

What is a characteristic that an organism can pass on to its offspring through its genes?

a)

Chromosome

b)

Trait

c)

Allele

d)

Jean

12.

What is the factor that controls the trait?

a)

DNA

b)

Chromosome

c)

Gene

d)

Jean

13.

What is an allele whose trait always shows up in an organism when that allele is present?

a)

Dominant allele

b)

Recessive allele

14.

What is an organism that has two different alleles for a trait?

a)

Purebred

b)

Wonder bread

c)

Alpha bird

d)

Hybrid

15.

What is the product of reproduction, a new organism produced by one or more parents?

a)

Mother

b)

Father

c)

Parent

d)

Offspring

16.

What kind of reproduction is a reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents?

a)

Asexual reproduction

b)

sexual reproduction

17.

What kind of reproduction is a reproductive process that involves only one parent and produces offspring that are identical to the parent?

a)

Asexual reproduction

b)

Sexual reproduction

18.

What is a threadlike structure of DNA and protein found in the nucleus of most living cells, carrying genetic information in the form of genes?

a)

Chromosome

b)

Cytoplasm

c)

Nucleolus

d)

Ribosome