Widow’speakisdominanttonowidow’speak…：寡妇峰是显性没有寡妇峰…

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1、Widow’speakisdominanttonowidow’speak.Determinethegenotypeandphenotyperatiosforhomozygousdominantfemaleandanhomozygousrecessivemale.Genotypes:ratios:Phenotypes:ratios:Dimplesisdominanttonodimples.Determinethegenotypeandphenotyperatiosforaheterozygousfemaleandanhomozyg

2、ousdominantmale.Genotypes:ratios:Phenotypes:ratios:Shorthairisdominanttolinghairinmice.DeterminethegenotypeandphenotyperatiosforahomozygousrecessivefemaleandaheterozygousmaleGenotypes:ratios:Phenotypes:ratios:Cleftchinisdominanttonocleftchin.Determinethegenotypeandph

3、enotyperatiosforaheterozygousfemaleandaheterozygousmale.Genotypes:ratios:Phenotypes:ratios:Browneyesaredominanttoblueeyes.Determinethegenotypeandphenotyperatiosforahomozygousdominantfemaleandahomozygousdominantmale.Genotypes:ratios:Phenotypes:ratios:Purpleflowersared

4、ominanttowhiteflowersinpeaplants.Determinethegenotypeandphenotyperatiosforahomozygousdominantfemaleandaheterozygousmale.Genotypes:ratios:Phenotypes:ratios:Brownhairisdominanttograyhairinmice.Determinethegenotypeandphenotyperatiosforahomozygousrecessivefemaleandahomoz

5、ygousrecessivemale.Genotypes:ratios:Phenotypes:ratios:Freeearlobesaredominanttoattachedearlobes.Determinethegenotypeandphenotyperatiosforaheterozygousfemaleandahomozygousrecessivemale.Genotypes:ratios:Phenotypes:ratios:Greenpeasaredominanttoyellowpeas.Determinethegen

6、otypeandphenotyperatiosforaheterozygousfemaleandaheterozygousmale.Genotypes:ratios:Phenotypes:ratios:Tallplantsaredominanttoshortplants.Determinethegenotypeandphenotyperatiosforahomozygousrecessivefemaleandahomozygousdominantmale.Genotypes:ratios:Phenotypes:ratios: