1 | P a g e | © copyright 2024/2025 | Grade A+
Butler Exam Questions and Answers
(100% Pass)
Autosomal Recessive is when
✓ the two parents don't have the trait but at least one of their children
does
Autosomal dominant is when
✓ the two parents do have the trait but at least one of their children
does not
Inconcluisve is
✓ neither recessive nor dominant pattern
Genotype
✓ genetic makeup
phenotype
✓ physical appearance
What are the three different patterns of inheritance?
Master01 | October, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
✓ Complete Dominance, Incomplete Dominance, and Codominance
Complete Dominance
✓ one allele complete covers the other
Complete Dominance in height (either tall or short): TT= ______,
Tt=____________, and tt=_____________.
✓ Tall, Tall, Short
Incomplete Dominance
✓ an average of several alleles (genes)
Incomplete Dominance in flower color: RR=_________, Rr=_____________, and
rr=______________.
✓ Red, Pink, White
Codominance
✓ alleles that are equally expressed
Codominance in horse hair color: RR=____________, RR'=______________, and
R'R'=_________________.
Master01 | October, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
✓ Red, Roan, White
Homozygous
✓ having identical alleles for the same trait
heterozygous
✓ having two different alleles for the same trait
An example of Codominace is _______________.
✓ blood type
Type A genotype=
✓ I^A I^A or I^A i^o
Type B genotype=
✓ I^B I^B or I^B i^o
Type O genotype=
✓ i^o i^o
Master01 | October, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
Type AB genotype=
✓ I^A I^B
Know how to make and solve a dihybrid and trihybrid
✓ ...
Why did Gregor Mendel use pea plants in his genetic experiments at the
monastery?
✓ they grew relatively fast, had both male and female parts, were
accessible to Mendel, only had two possible phenotypes for each trait
(complete dominance), and a large number of offspring were
produced in each generation
Mendels three step process:
1.___________________
2._____________________
3.________________________
Master01 | October, 2024/2025 | Latest update
Butler Exam Questions and Answers
(100% Pass)
Autosomal Recessive is when
✓ the two parents don't have the trait but at least one of their children
does
Autosomal dominant is when
✓ the two parents do have the trait but at least one of their children
does not
Inconcluisve is
✓ neither recessive nor dominant pattern
Genotype
✓ genetic makeup
phenotype
✓ physical appearance
What are the three different patterns of inheritance?
Master01 | October, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
✓ Complete Dominance, Incomplete Dominance, and Codominance
Complete Dominance
✓ one allele complete covers the other
Complete Dominance in height (either tall or short): TT= ______,
Tt=____________, and tt=_____________.
✓ Tall, Tall, Short
Incomplete Dominance
✓ an average of several alleles (genes)
Incomplete Dominance in flower color: RR=_________, Rr=_____________, and
rr=______________.
✓ Red, Pink, White
Codominance
✓ alleles that are equally expressed
Codominance in horse hair color: RR=____________, RR'=______________, and
R'R'=_________________.
Master01 | October, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
✓ Red, Roan, White
Homozygous
✓ having identical alleles for the same trait
heterozygous
✓ having two different alleles for the same trait
An example of Codominace is _______________.
✓ blood type
Type A genotype=
✓ I^A I^A or I^A i^o
Type B genotype=
✓ I^B I^B or I^B i^o
Type O genotype=
✓ i^o i^o
Master01 | October, 2024/2025 | Latest update
, 1 | P a g e | © copyright 2024/2025 | Grade A+
Type AB genotype=
✓ I^A I^B
Know how to make and solve a dihybrid and trihybrid
✓ ...
Why did Gregor Mendel use pea plants in his genetic experiments at the
monastery?
✓ they grew relatively fast, had both male and female parts, were
accessible to Mendel, only had two possible phenotypes for each trait
(complete dominance), and a large number of offspring were
produced in each generation
Mendels three step process:
1.___________________
2._____________________
3.________________________
Master01 | October, 2024/2025 | Latest update
