WorksheetsHeredity
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
An organism's appearance or other detectable characteristic
a)
genotype
b)
phenotype
c)
allele
d)
genetic variation
2.
The differences in the sets of alleles between individuals in a population
a)
genetic variation
b)
gene
c)
allele
d)
none of the above
3.
The mathematical chance that something will happen is known as
a)
possibility
b)
percentage
c)
product
d)
punctuation
4.
An example of how several genes influence one trait is
a)
eye color and fur color in a white tiger
b)
shades of eye color in humans
c)
whether a pea seed is smooth or wrinkled
d)
whether a pea flower is purple or white
5.
Process that produces cells with half the usual number of chromosomes
a)
mitosis
b)
meiosis
c)
mitochondria
d)
heredity
6.
How many chromosomes does offspring receive from a human father?
a)
46
b)
23
c)
12
d)
none of the above
7.
Some grasshoppers eat certain plants and consequently develop a yellow and black coloration because of their genes are influences by
a)
their phenotype
b)
their mitochondria
c)
their external environment
d)
their internal environment
8.
Mendel used pea plants in his experiments on heredity because
a)
they can self-pollinate
b)
grow quickly
c)
their are many traits
d)
all of the above
9.
Punnet squares are used to predict
a)
chromosomes for parents
b)
chromosomes for offspring
c)
possible genotypes of offspring
d)
possible genotypes for parents
10.
Traits passing from parents to offspring
a)
heredity
b)
genetic variaton
c)
meisos
d)
mitosis
11.
One of the alternative forms of a gene that governs a characteristic.
a)
Allele
b)
genetic variation
c)
genotype
d)
characteristic
12.
P=purple flower color
p=white flower color, if a flower has a genotype Pp its phenotype would be
p=white flower color, if a flower has a genotype Pp its phenotype would be
a)
white
b)
purple
c)
violet
d)
pink
13.
What happens to genetic material from each parent before sexual reproduction can occur?
a)
it gets reduced to half
b)
it get doubled
c)
it stays the same
d)
all of the above
14.
One set of instructions for an inherited trait
a)
gene
b)
phenotype
c)
genetic variation
d)
genome
15.
A cell part outside the nucleus that has DNA from the mother
a)
heredity
b)
mitochondria
c)
genetic variaiton
d)
meiosis
100 %
