I’m not sure what your asking. But if you have 2 different alleles of a gene it will be heterozygous
Option 1 is the correct answer
Answer:
The sister chromatids are identical to one another and are attached to each other by proteins called cohesins. They are formed.
Explanation:
Question:why were maggots there only after the flies left
Hypotheses:the maggots are fly larva
