WorksheetsDetermining Genotypes & Phenotypes for Dihybrid Cross
Total questions: 18
Worksheet time: 18mins
In horses, a straight mane (H) is dominant over a curly mane(h). Trotter horses (T) are dominant to pacer horses (t).
Determine the genotype of a horse with the phenotype: curly maned pacer horse
HhTT
hhTT
hhtt
HHtt
In horses, a straight mane (H) is dominant over a curly mane(h). Trotter horses (T) are dominant to pacer horses (t).
Determine the genotype of a horse with the phenotype: homozygous dominant for both traits
HhTT
HHTT
hhtt
HHtt
In horses, a straight mane (H) is dominant over a curly mane(h). Trotter horses (T) are dominant to pacer horses (t).
Determine the genotype of a horse with the phenotype: heterozygous for both traits
HhTt
HHTT
hhtt
HHtt
In pea plants, purple flowers (P) are dominant to white flower (p). Round seeds (R) are dominant to wrinkled seeds (r).
Determine the phenotype of a flower with the genotype: Pprr
Purple flower with wrinkled seeds
Purple flower with round seeds
White flower with wrinkled seeds
White flower with round seeds
In pea plants, purple flowers (P) are dominant to white flower (p). Round seeds (R) are dominant to wrinkled seeds (r).
Determine the phenotype of a flower with the genotype: ppRR
Purple flower with wrinkled seeds
Purple flower with round seeds
White flower with wrinkled seeds
White flower with round seeds
In pea plants, purple flowers (P) are dominant to white flower (p). Round seeds (R) are dominant to wrinkled seeds (r).
Determine the phenotype of a flower with the genotype: PpRr
Purple flower with wrinkled seeds
Purple flower with round seeds
White flower with wrinkled seeds
White flower with round seeds
In guinea pigs, short hair (H) is dominant to long hair (h). Also, black eyes (B) are dominant to red eyes (b).
Determine the genotype of a guinea pig with the phenotype: short hair with black eyes (select all possible genotypes)
HHBb
hhbb
HhBB
HHbb
In guinea pigs, short hair (H) is dominant to long hair (h). Also, black eyes (B) are dominant to red eyes (b).
Determine the genotype of a guinea pig with the phenotype: long hair with red eyes.
HHBb
hhbb
hhBB
HHbb
In guinea pigs, short hair (H) is dominant to long hair (h). Also, black eyes (B) are dominant to red eyes (b).
Determine the genotype of a guinea pig with the phenotype: short hair with red eyes (select all possible genotypes)
HHbb
Hhbb
hhBB
HHBb
In cocker spaniels, a black coat color (B) is dominant to brown coat color (b). Also, curly hair (C) is dominant to straight hair (c).
Determine the phenotype of a cocker spaniel with the genotype: BbCc
heterozygous for coat color and hair texture
homozygous black coat with straight hair
heterozygous coat color with homozygous curly hair
homozygous brown coat with homozygous curly hair
In cocker spaniels, a black coat color (B) is dominant to brown coat color (b). Also, curly hair (C) is dominant to straight hair (c).
Determine the phenotype of a cocker spaniel with the genotype: bbcc
heterozygous for coat color and hair texture
homozygous black coat with straight hair
heterozygous coat color with homozygous curly hair
homozygous brown coat with straight hair
In cocker spaniels, a black coat color (B) is dominant to brown coat color (b). Also, curly hair (C) is dominant to straight hair (c).
Determine the phenotype of a cocker spaniel with the genotype: BbCC
heterozygous for coat color and hair texture
homozygous black coat with straight hair
heterozygous coat color with homozygous curly hair
homozygous brown coat with straight hair
In rabbits, grey hair (G) is dominant to white hair (g). Also, black eyes (B) are dominant to red eyes (b).
Determine the genotype of a rabbit with the phenotype: hybrid for both traits
GgBb
GGBb
Ggbb
GgBB
In rabbits, grey hair (G) is dominant to white hair (g). Also, black eyes (B) are dominant to red eyes (b).
Determine the genotype of a rabbit with the phenotype: purebred for grey fur with black eyes (select all possible genotypes)
GgBb
GGBb
GGBB
GgBB
In rabbits, grey hair (G) is dominant to white hair (g). Also, black eyes (B) are dominant to red eyes (b).
Determine the genotype of a rabbit with the phenotype: hybrid for grey fur with purebred for red eyes
Ggbb
GGbb
GGBB
GgBb
In rabbits, grey hair (G) is dominant to white hair (g). Also, black eyes (B) are dominant to red eyes (b).
Determine the phenotype of a rabbit with the genotype: GGBB
purebred for both traits
purebred grey fur with red eyes
hybrid for both traits
purebred white fur with black eyes
In rabbits, grey hair (G) is dominant to white hair (g). Also, black eyes (B) are dominant to red eyes (b).
Determine the phenotype of a rabbit with the genotype: ggBB
purebred for both traits
purebred grey fur with red eyes
hybrid for both traits
purebred white fur with black eyes
In rabbits, grey hair (G) is dominant to white hair (g). Also, black eyes (B) are dominant to red eyes (b).
Determine the phenotype of a rabbit with the genotype: GGbb
purebred for both traits
purebred grey fur with red eyes
hybrid for both traits
purebred white fur with black eyes
