A mating between two heterozygous people with widow's peaks and free earlobes (Eeww) Key: E= free earlobes e = attached earlobes W = widow's peak w = straight hairline EW EEWW EEWW Ew eW ew EeWw Eeww eeWw EEWW EeWW EeWw eeWW eeWw EW Ew EeWw Eeww eW EeWW EeWw eeww ew Genotypes: Genotype Count eEwW EEWW EEWW eEww Percent Trait Heterozogous free earlobes, Heterozogous widow's peak Homozogous free earlobes, Heterozogous widow's peak Heterozogous free earlobes, Homozogous widow's peak Heterozogous free earlobes, Homozogous straight hairline Homozogous attached earlobes, Heterozogous widow's peak Homozogous free earlobes, Homozogous widow's peak Homozogous free earlobes, Homozogous straight hairline Homozogous attached earlobes, Homozogous widow's peak Homozogous attached earlobes, Homozogous straight hairline 4 25 12.5 2 12.5 12.5 2 eewW 2 12.5 EEWW 1 6.3 EEww 1 6.3 eewW 1 6.3 eeww 1 6.3 Phenotypes: Phenotype [ peE pwW] [ pE pwW] I peE pW] [ peE pw] [ pe pwW] 1 Count Percent 4 25 12.5 12.5 12.5 12.5 [pE pW] [ pɛ pw] Грe pW] [ pe pw] 6.3 1 6.3 1 6.3 1 6.3 NINcolaolo

A mating between two heterozygous people with widow's peaks and free earlobes (Eeww) Key: E= free earlobes e = attached earlobes W = widow's peak w = straight hairline EW EEWW EEWW Ew eW ew EeWw Eeww eeWw EEWW EeWW EeWw eeWW eeWw EW Ew EeWw Eeww eW EeWW EeWw eeww ew Genotypes: Genotype Count eEwW EEWW EEWW eEww Percent Trait Heterozogous free earlobes, Heterozogous widow's peak Homozogous free earlobes, Heterozogous widow's peak Heterozogous free earlobes, Homozogous widow's peak Heterozogous free earlobes, Homozogous straight hairline Homozogous attached earlobes, Heterozogous widow's peak Homozogous free earlobes, Homozogous widow's peak Homozogous free earlobes, Homozogous straight hairline Homozogous attached earlobes, Homozogous widow's peak Homozogous attached earlobes, Homozogous straight hairline 4 25 12.5 2 12.5 12.5 2 eewW 2 12.5 EEWW 1 6.3 EEww 1 6.3 eewW 1 6.3 eeww 1 6.3 Phenotypes: Phenotype [ peE pwW] [ pE pwW] I peE pW] [ peE pw] [ pe pwW] 1 Count Percent 4 25 12.5 12.5 12.5 12.5 [pE pW] [ pɛ pw] Грe pW] [ pe pw] 6.3 1 6.3 1 6.3 1 6.3 NINcolaolo

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter9: Patterns Of Inheritance

Section: Chapter Questions

Problem 2SQ

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Doing genetic analysis it is determined that two parents are heterozygous for two separate unlinked recessive traits (i.e., both parents are heterozygous for both loci). Given this genetic information, what is the probability of their having a child which is homozygous recessive for both traits?
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