r Yellow Recessive rr Yellow rr Skin Skin B Thick Dominant BB,Bb Thick Bb BB Eyebrow b Thin Recessive bb Thin bb Eyebrow SINGLE CROSS PROBLEMS a heterozygous green skinned zork with a yellow skinned zork. 1. A. What do the possible offspring look Like? 2. Cross a homozygous two horned zork with a heterozygous two horned zork. A. What are the genotypes of the possible offspring? 3. Cross a heterozygous green haired zork with a heterozygous green haired zork. A. What are the genotypes and phenotypes of the possible offspring? 4. Cross a green lipped zork with a heterozygous purple lipped zork. A. What are the number of phenotypes and genotypes of the offspring? Hint: Count what is in the boxes!
r Yellow Skin Recessive rr Yellow Skin rr B Thick Dominant BB,Bb Thick Eyebrow Bb BB b Thin Recessive bb Thin Eyebrow bb SINGLE CROSS PROBLEMS 1. a heterozygous green skinned zork with a yellow skinned zork. A. What do the possible offspring look Like? 2. Cross a homozygous two horned zork with a heterozygous two horned zork. A. What are the genotypes of the possible offspring? 3. Cross a heterozygous green haired zork with a heterozygous green haired zork. A. What are the genotypes and phenotypes of the possible offspring? 4. Cross a green lipped zork with a heterozygous purple lipped zork. A. What are the number of phenotypes and genotypes of the offspring? Hint: Count what is in the boxes!
zork_genetics.docx