Heterozygous- a certain gene that can carry two different alleles
Homozygous- a certain gene that carries two copies of the same alleles
Ice is less dense than liquid water.
this is because the particles are further apart (due to hydrogen bonding), so in the same volume there are LESS particles in ice than there is in the same volume of water.
Answer:
When strand slippage occurs during DNA replication, a DNA strand may loop out, resulting in the addition or deletion of a nucleotide on the newly-synthesized strand. ... But if this does not occur, a nucleotide that is added to the newly synthesized strand can become a permanent mutation.
autotrophs, oxygen, water, minerals, and vitamins.
Hope this helps!
-Payshence