PLEASE HELP ME?!!!
This pedigree chart tracks the inheritance of a recessive trait that is not sex-linked. Based on the information in the chart, which of the following statements is true?

A. Individual #8 must be heterozygous for the trait.
B. Individual #10 must be heterozygous for the trait.
C. Individual #13 must be homozygous dominant.
D. Individual #3 must be homozygous dominant.

Question

PLEASE HELP ME?!!! 
This pedigree chart tracks the inheritance of a recessive trait that is not sex-linked. Based on the information in the chart, which of the following statements is true?






 A. Individual #8 must be heterozygous for the trait.
 B. Individual #10 must be heterozygous for the trait.
C. Individual #13 must be homozygous dominant.
D. Individual #3 must be homozygous dominant.

anonymous · Answer

attachment

anonymous · Answer

@ganeshie8 @aaronq @Kainui

aaronq · Answer

try writing all possible genotypes for all of the individuals; start from the top and work downwards

anonymous · Answer

i don't know anything about this tho. I am completely lost. im really bad at science @aaronq