WorksheetsHeredity & Punnett Square Quiz Review
Total questions: 20
Worksheet time: 12mins
In cows, black hair (B) is dominant over white fur (b). If a hybrid black haired cow mated with a purebred white cow, what percentage of the offspring will have black fur?
50%
25%
75%
100%
The different versions of the same gene are called -
genotype
gametes
alleles
chromosomes
Which of the following is an example of a hybrid genotype?
AA
Ab
Aa
bb
The physical appearance of an organism is called __________.
genotype
phenotype
allele
chromosomes
In pea plants, tall plants (T) is dominant over short plants (t). If you cross a purebred tall plant with a purebred short plant, what percentage of the offspring will be short?
0%
25%
50%
100%
The only way for an organism to show the recessive trait is...
by having two lowercase alleles
having two uppercase alleles
having one uppercase and one lowercase alleles
having only one allele
Which is an example of a genotype?
Tt, Tall
tt, Short
Tt, tt
Tall, Short
If brown eyes (B) are dominant over blue eyes (b), what is the genotype of an individual that is homozygous blue eyed?
BB
Bb
bb
blue eyes
Which of the following is NOT an inherited trait?
Hair texture
Blood type
Language you speak
Freckles
What type of trait masks, or covers up, the other trait when both are present?
dominant
hybrid
recessive
homozygous
Which is an example of homozygous dominant?
RR
rr
Rr
RT
Each box of the punnett square represents ____% chance that the offspring will receive the trait.
25%
50%
10%
100%
Gregor Mendel is called the ___________________.
Pea Plant Parent
Father of genetics
Grandfather of heredity
Father of DNA
In the punnett square below, what belongs in the missing square
B = brown fur b = white fur
In the Punnett square, what is the probability for white fur?
0%
25%
50%
75%
What is the probability of heterozygous offspring?
0%
100%
50%
25%
