Answer:
An organism which has two different alleles of the gene is called heterozygous. Phenotypes (the expressed characteristics) associated with a certain allele can sometimes be dominant or recessive, but often they are neither.
Explanation:
They are the same density.
Cartilaginous fish do not contain any bones - their skeleton is made up of cartilage.
<span>chemical potential energy</span>
Answer:
the way humans cAN CHANGE A VIRUS AND ITS DNA AND HOW IT ACTS
Explanation:
