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Worksheets2 Factor Crosses, Incomplete Dominance, and Codominance
Total questions: 35
Worksheet time: 1hrs 3mins
The blending of two traits is known as ---
incomplete dominance
codominance
A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---
Codominance
Incomplete dominance
What type of inheritance pattern is shown here?
Codominance
Incomplete dominance
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
Incomplete dominance
Codominance
This is an example of ---
Incomplete dominance
Codominance
This is an example of ---
Incomplete dominance
Codominance
What does this Punnett square and the probabilities of the ofspring represent?
incomplete dominance
codominance
A woman with curly hair and a man with straight hair produced a child with wavy hair:
Incomplete dominance
Codominance
Complete dominance
A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have red (RR) flowers?
0%
25%
50%
100%
A black male and white female produced this grey offspring:
Incomplete dominance
Codominance
Complete dominance
A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have pink (RW) flowers?
0%
25%
50%
100%
Aa, DD, Bb, yy are all examples of
genotypes
phenotypes
A roan cow shows codominance in fur color (red and white). What is the phenotypic ratio expected if a roan cow and a roan steer mate together?
4 (Red and White)
1:1 (Red to White)
2:2 (Red to Red and White)
1:2:1 (Red to Red and White to White)
Some flowers are controlled by codominance. If red flowers have genotype (RR) and blue flowers have genotype (BB), what would the heterozygous (RB) look like?
Speckled blue and red
Purple
Red
Blue
Some cat colors are controlled by incomplete dominance. If black cats have genotype (BB) and white cats have genotype (bb), what would the heterozygous (Bb) look like?
Black
White
Grey
Tuxedo
What inheritance pattern is shown here?
Incomplete Dominance
Complete Dominance
Codominance
The different forms of a gene are called ---
traits
hybrids
alleles
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
9/16
3/16
1/16
16/16
Based off this punnett square, what fraction of the offspring will have wrinkled, green seeds?
9/16
3/16
1/16
16/16
What is the genotype for a pea plant homozygous for round seeds (R), and heterozygous for yellow seeds?
RrYy
RRyy
RRYy
rryy
What would the gametes for this individual be?
AaBb
AABB
