The most likely explanation for the variation is the offspring were produced from different combination of genes. A single pair of gold fish mentioned in the question means a male and a female gold fish. The two of them mated and contributed different genes to the fertilized fish eggs, this results in production of various body shape and colouration which is known as variation.
Answer:
Insertion mutation
Explanation:
An extra letter is added.
Answer:
Hey!
Your answer is Prokaryotic Promoters!
Explanation:
A Prokaryotic Promoter is a DNA sequence which the transcription machinery binds and initiates the process of transcription in the cell's cytoplasm...
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Your answer would be: A. because scientists use what they have to create a theory, a theory is pretty much an educated guess is what a teacher would say, the theory would need to have evidence in order for it to be an educated guess. The scientist would have to come up with an explanation in order for the theory to work, or be an educated guess.
