Worksheets7G 5 Heredity Test Review
Total questions: 20
Worksheet time: 14mins
Name
Class
Date
1.
What is a factor that is covered up by another trait?
a)
Recessive
b)
Dominant
2.
What is a factor that dominates, or covers up another trait?
a)
Recessive
b)
Dominate
3.
What is a hybrid?
a)
Crossing two traits with different traits
b)
A cool car
c)
A parent
4.
How many are tall?
a)
0
b)
1
c)
2
d)
4
5.
The physical characteristics of an organism are called its
a)
genetics
b)
heredity
c)
phenotype
d)
genotype
6.
Different forms of a gene are called
a)
hybrids
b)
dominant factors
c)
alleles
d)
recessive factors
7.
the chances of something happening
a)
dominant
b)
genotype
c)
phenotype
d)
probability
8.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
9.
father of genetics
a)
Gregor Mendel
b)
James Watson
c)
Dr. Robbins
d)
Francis Crick
10.
A single piece of coiled DNA found in the cells; contains genes that encode traits.
a)
gene
b)
chromosome
c)
trait
d)
DNA
11.
one form of a gene
a)
allele
b)
chromosome
c)
chromatin
d)
centromere
12.
the genetic makeup of a characteristic
a)
genotype
b)
phenotype
13.
The observable physical characteristics of a trait.
a)
Genotype
b)
allele
c)
Phenotype
d)
Heterozygous
14.
What is a factor that is covered up by another trait?
a)
Recessive
b)
Dominant
15.
What did Mendel do to make sure his plants didn't self-pollinate?
a)
Removed the anther/pollen.
b)
Added anthers to the plant
c)
Removed the stigma
d)
Cut the stems
16.
Which generation in Mendel's experiments showed a 3:1 ratio of traits?
a)
The second generation offspring
b)
The first generation offspring
c)
The original parents
d)
None of the above
17.
All offspring in this generation exhibit the dominant trait.
a)
The first parent plants
b)
The first generation offspring
c)
The second generation offspring
d)
Generation X
18.
What type of inheritance do two alleles have if their traits blend together?
a)
Incomplete Dominance
b)
Co-Dominance
c)
Mendelian Inheritance
d)
Homozygous Inheritance
19.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
20.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
100 %
