WorksheetsPunnet Square Quiz #1
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
First & Last Name
4 lines
2.
What period do you have science?
a)
1st
b)
2nd
c)
3rd
d)
4th
e)
5th
3.
Long Hair = Dominant (S) / Short Hair = Recessive (s). One cat carries heterozygous, long-haired traits (Ss), and its mate carries homozygous short-haired traits (ss). Use a Punnett square to determine the probability of one of their offspring having long hair.
a)
25%
b)
75%
c)
50%
4.
Long Hair = Dominant (S) / Short Hair = Recessive (s). One cat carries heterozygous, long-haired traits (Ss), and its mate carries homozygous short-haired traits (ss). Use a Punnett square to determine the probability of one of their offspring having short hair.
a)
25%
b)
50%
c)
75%
5.
Red Flower = Dominant (R) / White Flower = Recessive (r). One flower is heterozygous red (Rr) and it is crossed with a homozygous white (rr) flower. Use a Punnett square to determine the probability of one of their offspring having a red color.
a)
25%
b)
50%
c)
100%
6.
Red Flower = Dominant (R) / White Flower = Recessive (r). One flower is heterozygous red (Rr) and it is crossed with a homozygous white (rr) flower. Use a Punnett square to determine the probability of one of their offspring having a white color.
a)
100%
b)
75%
c)
50%
7.
Black = Dominant (B) / White = Recessive (b). If a homozygous black guinea pig (BB) is crossed with a homozygous white guinea pig (bb), what is the probability that an offspring will have black fur?
a)
25%
b)
75%
c)
100%
8.
Scientists call an organism that has two different alleles for a trait a ..(foldable)
a)
hybrid
b)
purebred
c)
factor
9.
What does the allele notation TT mean to someone who studies genetics?
a)
two dominant alleles
b)
two recessive alleles
c)
one dominant allele and one recessive allele
10.
What does the allele notation Tt mean to someone who studies genetics?
a)
two dominant alleles
b)
two recessive alleles
c)
one dominant allele and one recessive allele
11.
What does the allele notation tt mean to someone who studies genetics?
a)
two dominant alleles
b)
two recessive alleles
c)
at least one dominant allele
12.
An organism's PHYSICAL appearance is its ....
a)
genotype
b)
phenotype
c)
heterozygous
13.
An organism's genotype is it ...
a)
genetic makeup
b)
feather color
c)
tall stem
14.
An organism that has two identical (same) alleles for a trait is...
a)
tall
b)
homozygous
c)
heterozygous
15.
A heterozygous organism has
a)
two identical alleles for a trait
b)
only one allele for a trait
c)
two different alleles for a trait
16.
In a certain species of plant, the color purple (F) is dominant to the color white (f). According to the Punnett Square, what is the probability of an offspring being WHITE?
a)
25%
b)
0%
c)
100%
17.
In a certain species of plant, the color purple (F) is dominant to the color white (f). According to the Punnett Square, what is the probability of an offspring being PURPLE?
a)
0%
b)
100%
c)
75%
18.
In a certain species of plant, the color purple (F) is dominant to the color white (f). According to the Punnett Square, what is the probability of an offspring being WHITE?
a)
25%
b)
75%
c)
100%
19.
In a certain species of plant, the color purple (F) is dominant to the color white (f). According to the Punnett Square, what is the probability of an offspring being PURPLE?
a)
75%
b)
50%
c)
100%
20.
In a certain species of pine trees, short needles (N) are dominant to long needles (n). According to the Punnett square, what is the probability of an offspring having SHORT NEEDLES?
a)
50%
b)
25%
c)
75%
21.
In a certain species of pine trees, short needles (N) are dominant to long needles (n).According to the Punnett square, what is the probability of an offspring having LONG NEEDLES?
a)
25%
b)
50%
c)
75%
22.
Which of the following is the genotype for a SHORT, WRINKLED, YELLOW, GROOVED seed?
a)
LL / WW / yY / Rr
b)
Ll / Ww / YY / Rr
c)
ll / Ww / YY / rr
23.
Which of the following is the genotype for a LONG, SMOOTH, WHITE, RIBBED seed?
a)
Ll / ww / yy / Rr
b)
Ll / ww / YY / Rr
c)
ll / Ww / yy / rr
24.
What will be the result if: Bb mates with bb?
a)
a - ALL the offspring will exhibit the DOMINANT trait.
b)
b - ALL the offspring will exhibit the RECESSIVE trait
c)
c - The RECESSIVE trait will show up in about 50% of the offspring
d)
d - The DOMINANT trait will show up in about 75% of the offspring
25.
What will be the result if: BB mates with bb?
a)
a - ALL the offspring will exhibit the DOMINANT trait.
b)
b - ALL the offspring will exhibit the RECESSIVE trait
c)
c - The RECESSIVE trait will show up in about 50% of the offspring
d)
d - The DOMINANT trait will show up in about 75% of the offspring
26.
What will be the result if: bb mates with bb?
a)
a - ALL the offspring will exhibit the DOMINANT trait.
b)
b - ALL the offspring will exhibit the RECESSIVE trait
c)
c - The RECESSIVE trait will show up in about 50% of the offspring
d)
d - The DOMINANT trait will show up in about 75% of the offspring
27.
What will be the result if: Bb mates with Bb?
a)
a - ALL the offspring will exhibit the DOMINANT trait.
b)
b - ALL the offspring will exhibit the RECESSIVE trait
c)
c - The RECESSIVE trait will show up in about 50% of the offspring
d)
d - The DOMINANT trait will show up in about 75% of the offspring
100 %
