Answer:
All the puppies have black hair because albino alleles are found in two different genes.
If we let the letters A and B represent the two different pigmentation genes, the one of the dogs is AAbb, and the other is aaBB.
Their offspring are AaBb and so there are not albinos because they have one dominant copy of each gene.
Answer:
Explanation: both prokaryotes and eukaryotes contain cell membrane
Answer:
The chromosomes have coiled and become more compact.
Explanation:
Mammoths, sabertooth tigers, wooly rhinoceroses just a few.
