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WorksheetsMonohybrid Practice Answers
Total questions: 10
Worksheet time: 20mins
Widow's peak is dominant to no widow's peak. Determine the genotype and phenotype ratios for a homozygous dominant female and a homozygous recessive male.
4:4 Ww, 4:4 widow's peak
2:4 Ww, 2:4 WW
4:4 Widow's peak
2:4 ww, 2:4 WW
2:4 No widow's peak 2:4 Widow's peak
2:4 Ww, 2:4 ww
2:4 Widow's peak 2:4 no widow's peak
Dimples is dominant to no dimples. Determine the genotype and phenotype ratios for a heterozygous female and a homozygous dominant male.
2:4 dd 2:4 DD
2:4 no dimples 2:4 dimples
1:4 DD 2:4 Dd 2:4 dd
3:4 dimples 1:4 no dimples
2:4 DD 2:4 Dd
4:4 dimples
4:4 Dd
4:4 dimples
Short hair is dominant to long hair in mice. Determine the genotype and phenotype ratios for a homozygous recessive female and a heterozygous male.
2:4 SS 2:4 Ss
4:4 short hair
2:4 Ss 2:4 ss
2:4 short hair 2:4 long hair
2:4 Ss 2:4 ss
4:4 long hair
1:4 SS 2:4 Ss 1:4 ss
3:4 short hair 1:4 long hair
Cleft chin is dominant to no cleft chin. Determine the genotype and phenotype ratios for a heterozygous female and a heterozygous male.
1:4 CC 2:4 Cc 1:4 cc
3:4 cleft chin 1:4 no cleft chin
2:4 Cc 2:4 cc
2:4 cleft chin 2:4 no cleft chin
2:4 Cc 2:4 cc
2:4 cleft chin 2:4 no cleft chin
2:4 CC 2:4 Cc
4:4 cleft chin
Brown eyes are dominant to blue eyes. Determine the genotype and phenotype ratios for a homozygous dominant female and a homozygous dominant male.
1:4 BB 2:4 Bb 1:4 bb
3:4 Brown eyes 1:4 blue eyes
2:4 BB 2:4 Bb
4:4 Brown eyes
4:4 BB
4:4 Brown eyes
3:4 BB 1:4 Bb
4:4 Brown eyes
Purple flowers are dominant to white flowers in pea plants. Determine the genotype and phenotype ratios for a homozygous dominant female and a heterozygous male.
2:4 PP 2:4 Pp
4:4 white
2:4 PP 2:4 Pp
4:4 purple
1:4 PP 2:4 Pp 1:4 pp
3:4 purple 1:4 white
2:4 PP 2:4 pp
2:4 purple 2:4 white
Brown hair is dominant to gray hair in mice. Determine the genotype and phenotype ratios for a homozygous recessive female and a homozygous recessive male.
2:4 Bb 2:4 bb
2:4 brown hair 2:4 gray hair
2:4 BB 2:4 bb
2:4 brown hair 2:4 gray hair
4:4 Bb
4:4 brown hair
4:4 bb
4:4 gray hair
Free ear lobes are dominant to attached ear lobes. Determine the genotype and phenotype ratios for a heterozygous female and a homozygous recessive male.
2:4 FF 2:4 Ff
4:4 free ear lobes
2:4 Ff 2:4 ff
2:4 free ear lobes 2:4 attached ear lobes
3:4 FF 1:4 ff
3:4 free ear lobes 1:4 attached ear lobes
1:4 FF 2:4 Ff 1:4 ff
3:4 free ear lobes 1:4 attached ear lobes
Green peas are dominant to yellow peas. Determine the genotype and phenotype ratios for a heterozygous female and a heterozygous male.
3:4 Gg 1:4 gg
3:4 green 1:4 yellow
2:4 GG 2:4 gg
2:4 green 2:4 yellow
3:4 Gg 1:4 gg
3:4 green 1:4 yellow
1:4 GG 2:4 Gg 1:4 gg
3:4 green 1:4 yellow
Tall plants are dominant to short plants. Determine the genotype and phenotype ratios for a homozygous recessive female and a homozygous dominant male.
2:4 TT 2:4 tt
2:4 tall 2:4 short
4:4 Tt
4:4 tall
2:4 TT 2:4 Tt
4:4 tall
1:4 TT 2:4 Tt 1:4 tt
3:4 tall 1:4 short
