Mendel 1
1
Page 1
____________are charts used to display family relationships and to follow thich relatives
have specific phenotypes and sometimes genotypes.
A
B
C
D
2
The expression of an organism's alleles is called the organism's
_______________________
A
B
C
D
3
B
C
D
the inheritance of one gene does not influence the chance of inheriting the
other.
family relationships have specific phenotypes and genotypes.
alleles of a gene distribute in to separate gametes during meiosis.
the genotype of an individual is composed of one recessive allele and one
dominant allele.
Single traits have 2 expressions. The masked trait is said to be_____________.
A
B
C
D
6
Wild type
Mutant
Phenotype
Genotype
The law of segregation states that_______________
A
5
Wild type
Mutant
Phenotype
Genotype
The alleles for an organism are collectively called the organisms
_________________________
A
B
C
D
4
Wild type
Phenotype
Pedigree
Genotype
homozygous
recessive
heterozygous
dominant
Single traits have 2 expressions. The trait that tends to mask the other is said to
be_____________.
A
B
C
D
homozygous
recessive
heterozygous
dominant
11/14/2011 9:50:29 AM
Mendel 1
7
Page 2
A human has 22 pairs of _________________.
A
B
C
D
8
The first generation
A
B
C
D
E
F
9
P1
P2
P3
F1
F2
F3
The third generation
A
B
C
D
E
F
11
P1
P2
P3
F1
F2
F3
The second generation
A
B
C
D
E
F
10
chromosomes
autosomes
histones
acrosomes
P1
P2
P3
F1
F2
F3
Red hats are dominant to green hats. What is the phenotype of a person who is wearing a
red hat?
A
B
C
D
E
F
G
RR
Rr
rr
red
green
A or B
D or E
11/14/2011 9:50:29 AM
Mendel 1
12
Page 3
Red hats are dominant to green hats. What is the phenotype of a person who is wearing a
green hat?
A
B
C
D
E
F
G
13
Red hats are dominant to green hats. What is the genotype of a person who is wearing a
red hat?
A
B
C
D
E
F
G
14
RR
Rr
rr
Homozygous dominant
A
B
C
17
RR
Rr
rr
red
green
A or B
D or E
Homozygous recessive
A
B
C
16
RR
Rr
rr
red
green
A or B
D or E
Red hats are dominant to green hats. What is the genotype of a person who is wearing a
green hat?
A
B
C
D
E
F
G
15
RR
Rr
rr
red
green
A or B
D or E
RR
Rr
rr
Heterozygous
A
B
C
RR
Rr
rr
11/14/2011 9:50:29 AM
Mendel 1
18
Page 4
The law of independent assortment states that_______________
A
B
C
D
the inheritance of one gene does not influence the chance of inheriting the
other.
family relationships have specific phenotypes and genotypes.
alleles of a gene distribute in to separate gametes during meiosis.
the genotype of an individual is composed of one recessive allele and one
dominant allele.
11/14/2011 9:50:29 AM