PLEASE HELP!! A dihybrid cross experiment produces offspring of four different types in the F2
generation. What is the predicted ratio of the four phenotypes in the offspring?
06:4:4:1
3:1
9:3:3:1
1:1

the answer is d. chordata

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.