Question

the letters below represent the alleles of a genotype. for each pair of letters, determine if it is heterozygous (ht); homozygous recessive (hmr); or homozygous dominant (hmd):
i) aa ____
ii) bb ____
iii) cc ____
iv) dd ____
v) ee ____
vi) ff ____

Explanation:

• Heterozygous (HT) means two different alleles (one dominant, one recessive).
• Homozygous recessive (HMR) means two identical recessive lowercase alleles.
• Homozygous dominant (HMD) means two identical dominant uppercase alleles.

Answer:

i) Aa: HT
ii) bb: HMR
iii) CC: HMD
iv) dd: HMR
v) Ee: HT
vi) FF: HMD