Answer:
allele
Explanation:
a spot on chromosome is an allele
Answer:
Groundwater rises, adding water to rivers.
Explanation:
Tributaries combine, adding water to rivers.
Ice sheets melt slowly, adding water to rivers.
Rainfall in an area increases, adding water to rivers.
If you have one sickle cell gene, you have sickle cell trait and you will not develop the sickle cell disease. If you inherit two sickle cell genes, you have sickle cell anemia.
<h2>Answer is option "B"</h2>
Explanation:
- Fossils are formed by unusal ways of minerals,energy and other substances. the sap solidifies and frames the semiprecious material called golden. In certain bits of golden the buried survives from living beings can be found. Volcanic ejections can shape fossils when creatures get caught in the hot debris streams. Right now, the fossil is a hole looking like an animal.
- Truth be told coal is the fossil record of entire timberlands; in any case, singular plant structures normally don't make due as the plant materials are compacted to short of what one-hundredth of their unique size. the hard part of plants are remain the fossil.
- So as to get fossilized, creatures must kick the bucket in a watery situation and become covered in the mud and residue.
- hence, the right answer is option B "Plant lived near the poles,but landmasses have drifted to current locations".