University:
Eastern Kentucky University
Course:
BIO 315 | Genetics
Academic year:

2020
Views:

165

Pages:

1
Author:

perlesdesfees9ovd

Genetics worksheet part 1 Understanding Phenotype and Genotype, you must understand homozygous and heterozygous as well as dominant and recessive. If you don’t understand these terms please ask. Use the following traits to determine Phenotype and Genotype. Trait Ear Lobes Hair Type Dimples Thumb Eyelashes Dominant Free Ear Lobes Curly Dimples Straight Thumb Long Eyelashes Allele E C D T L Recessive Attached Ear Lobes Straight No Dimples Curved Thumb Short Eyelashes 1. Write out the GENOTYPE(S) for these people: a. Heterozygous long eyelashes ______ b. Homozygous straight thumb ______ c. Dimples ______ d. Straight hair ______ e. Hybrid free ear lobes ______ f. Homozygous curved thumb ______ g. Hybrid curly hair h. Straight thumb ______ ______ 2. Write out the PHENOTYPES for these people a. Ee ______________________________________ b. cc ______________________________________ c. DD _____________________________________ d. Dd _____________________________________ e. Tt ______________________________________ f. ll ______________________________________ g. Ll ______________________________________ h. CC _____________________________________ i. LL _____________________________________ j. Cc _____________________________________ Allele e c d t l