Science Homework Help

Bikini Bottom Genetics Scientists at Bikini Bottoms have been investigating the genetic makeup of the organisms in this community. Use the information provided and your knowledge of genetics to answer each question. 

1. For each genotype below, indicate whether it is a heterozygous (He) OR homozygous (Ho). 

TT _Ho____ Bb __He___ DD __Ho___ Ff ___He__ tt ___Ho__ dd _Ho____ 

Dd _He____ ff _Ho____ Tt _He____ bb _Ho____ BB Ho_____ FF _Ho____ 

Which of the genotypes in #1 would be considered purebred? 

TT, DD, tt, dd, ff, bb, BB, FF

Which of the genotypes in #1 would be hybrids? 

Bb, Ff, Dd, Tt

2. Determine the phenotype for each genotype using the information provided about SpongeBob. 

Yellow body color is dominant to blue. 

YY ________________ Yy ________________ yy ________________ 

Square shape is dominant to round. 

SS ________________ Ss ________________ ss ________________