NEW
Font size
S
M
L
XL
WorksheetsGenetics/Heredity Review
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Gregor Mendel developed some basic principles of heredity by
a)
crossing pea plants
b)
breeding fruit flies
c)
cutting off the tails of mice
d)
growing bacteria in the laboratory
2.
An organism that has two identical genes for a trait is said to be
a)
heterozygous
b)
homozygous
c)
a hybrid
d)
incompletely dominant
3.
Heredity information for traits is located in
a)
the lysosomes in the cytoplasm
b)
genes found on chromsomes
c)
chromosomes found on genes
d)
the mitochondria
4.
Which of these would best be described as a phenotype?
a)
Bb
b)
Pp
c)
brown hair
d)
mutation
5.
Given the following situation, if a person has brown hair with a genotype of Bb, where big B is brown hair and little b is blond hair, which is the dominant gene?
a)
B
b)
b
c)
Neither
d)
not enough information to determine
6.
What is Down’s syndrome an example of?
a)
chromosome disorder
b)
genetic engineering
c)
mutation
d)
gene
7.
When the genotype consists of a dominant and a recessive allele, the phenotype will be like the ______________ allele.
a)
dominant
b)
recessive
c)
both
d)
neither
8.
An allele is a
a)
homozygous genotype
b)
another word for gene
c)
heterozygous genotype
d)
one of several possible forms of a gene
9.
Which of the following statements is true about Mendel?
a)
His discoveries concerning genetic inheritance were generally accepted by the scientific community when he published them
b)
He believed that genetic traits of parents will usually blend in their children.
c)
His ideas about genetics apply equally to plants and animals.
10.
Gregor Mendel was
a)
an English physicist
b)
an English scientist who worked closely with Darwin
an English scientist who worked closely with Darwin
c)
a central European monk
d)
an early 20th century Dutch biologist who carried out genetics research
Reset
