Question 1
Directions: Use the image below to answer the question that follows.
What is the probable mode of inheritance for the normal trait in the image?
a
polygenic
b
sex linkage
c
multiple alleles
d
simple dominant
Question 2
Mendel's Law of Dominance states with a cross between two organisms,
An Overview On Law Of Segregation And Law Of Dominance
a
only the dominant trait will show in the offspring.
b
both traits will show equally in the offspring.
c
only the recessive trait will show in the offspring.
d
the traits will be blended in the offspring.
Question 3
The diagram below shows homologous chromosomes during prophase I of meiosis. Which of the following correctly describes the process being illustrated?
a
Segregation of sister chromotids
b
Mutation in which the DNA content of the gene is altered
c
Condensation and segregation of alleles, Segregation of sister chromotids
d
Crossing over in which alleles are exchanged
Question 4
Mendel called plants that received different alleles for a trait from each parent _________________ .
a
recessive
b
hybrids
c
purebred
d
genotype
Question 5
Match the descriptive term with the correct genotype or description.
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Column A
1.
Homozygous dominant:
Homozygous dominant
2.
Homozygous recessive:
Homozygous recessive
3.
Heterozygous:
Heterozygous
4.
Phenotype:
Phenotype
Column B
a.gg
b.Gg
c.blue eyes
d.GG
Question 6
For sneaky snakes, being rude (R) is dominant to being respectful (r). Complete the cross below, and determine the phenotype (dominant : recessive) ratio.
R r
r #1 #2
r #3 #4
2 (#5) : 2 (#6)
Column A
1.
#1:
#1
2.
#2:
#2
3.
#3:
#3
4.
#4:
#4
5.
#5:
#5
6.
#6:
#6
Column B
a.sneaky
b.respectful
c.Rr
d.rr
e.RR
f.sweet
g.rude
Question 7
The Ultimate Guide to Guinea Pig Breeds, Markings and Colors – Kavee USA
In guinea pigs, rough coats (with lots of swirly cowlicks) are dominant over smooth coats. If a male homozygous dominant guinea pig is crossed with a female heterozygous guinea pig, what are the possible genotypes and phenotypes of the offspring? Complete the Punnett square and the percentages of rough and smooth coated offspring.
***Please follow all Punnett square rules to complete this question. (Letters and numbers, only)
Please use the following: Rough = R and Smooth = r
offspring 1 offspring 2
offspring 3 offspring 4
% rough
% smooth
Blank 1:
Blank 2:
Blank 3:
Blank 4:
Blank 5:
Blank 6:
Blank 7:
Blank 8:
Blank 9:
Blank 10:
Question 8
The Ultimate Guide to Guinea Pig Breeds, Markings and Colors – Kavee USA
In guinea pigs, rough coats (with lots of swirly cowlicks) are dominant over smooth coats. If a male homozygous recessive guinea pig is crossed with a female homozygous dominant guinea pig, what are the possible genotypes and phenotypes of the offspring? Complete the Punnett square and the percentages of rough and smooth coated offspring.
***Please follow all Punnett square rules to complete this question. (Letters and numbers, only)
Please use the following: Rough = R and Smooth = r
offspring 1 offspring 2
offspring 3 offspring 4
% rough
% smooth
Blank 1:
Blank 2:
Blank 3:
Blank 4:
Blank 5:
Blank 6:
Blank 7:
Blank 8:
Blank 9:
Blank 10:
Question 9
Chicken Dance GIFs | TenorIt is found that in cha-cha chickens, the allele for a double comb (A) is dominant to the allele for a single comb (a). A mother with the genotype Aa and a father with the genotype Aa produce an offspring.
What is the percent chance that the offspring will have a single comb? % (only include the number)
Blank 1:
Question 10
Match the genotype or description with the correct descriptive term.
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Column A
1.
Hh:
Hh
2.
HH:
HH
3.
hh:
hh
4.
long fur:
long fur
Column B
a.Homozygous recessive
b.Homozygous dominant
c.Heterozygous
d.Phenotype
1. c
2. a
3. d
4. b
5.
1. d
2. c
3. b
4. a
6.
1. d
2. g
3. d
4. g
5. b
6. a
7.
Blank 1: Rr
Blank 2: rR
Blank 3: Rr
Blank 4: rR
Blank 5: 50%
Blank 6: 50%
Blank 7: 50%
Blank 8: 50%
Blank 9: 50%
Blank 10: 50%
8.
Blank 1: Rr
Blank 2: Rr
Blank 3: Rr
Blank 4: Rr
Blank 5: 100%
Blank 6: 0%
Blank 7: 100%
Blank 8: 0%
Blank 9: 100%
Blank 10: 0%
9. 50%
10.
1. c
2. b
3. a
4. d