In a real cell, what does the dna molecule do before it unzips?

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

Is there any solid scientific evidence that humans have been cloned?

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele