Evolution or Natural Selection fam ;)
If all else fails, moms spaghetti
Metamorphic rocks are created by the physical or chemical alteration by heat and pressure of an existing igneous or sedimentary material into a denser form.
The allele symbols on the outside of the punnett square represent the alleles in the gametes . Because when we done cross we got the gametes only . Example AABB X aabb , then we got the gametes AB and ab . This represent AB and ab are the alles of the gamete only . A allele is the alternative form of gene , if one is dominant other one is recessive.
The answer is, different versions of the same gene are called alleles
Answer:
Your heart is a single organ, but it acts as a double pump. The first pump carries oxygen-poor blood to your lungs, where it unloads carbon dioxide and picks up oxygen. ... The second pump delivers oxygen-rich blood to every part of your body. Blood needing more oxygen is sent back to the heart to begin the cycle again.
Explanation: