BMAT biology question help!Watch
Plants heterozygous for this gene were cross bred and 1000 of their seeds were planted. Only about 750 developed into mature plants.
What percentage of these mature plants would be heterozygous for this gene?
A. 25 %
B. 33 %
C. 50 %
D. 67 %
E. 75 %
The answer is D but I keep getting C, any help would be greatly appreciated