The result of a cross between two agouti mice of genotype nnaa are albino offspring because mice with genotype nn are albino (pigment production is blocked by epistasis).
<h3>What is epistasis?</h3>
Epistasis is a genetic phenomenon where the presence of a gene variant alters a phenotype influenced by other genes.
A gene is epistatic when a variant (allele) can alter the expression of another gene in the same signaling pathway.
Epistatic interactions are very common in nature and many traits are influenced by this type of interaction.
Learn more about epistasis here:
brainly.com/question/25217589
The statement that forms the best testable hypothesis for this question, would be 2. I believe.
The answer would be rift valleys
Answer:
1. Centrioles
Explanation:
Centrioles are the main organelles in cellular division as they are responsible for making mitotic spindle fibers (which attach to kinetichore on chromosomes) and separate the sister chromatids (so that genetic material can be distributed equally to the two daughter cell)
