PLEASE HELP Question 7 of 10 The photo shows a boy and his parents.
Which statement best explains why the boy looks different from his parents?
A. He inherited an exact copy of the DNA of one of his parents.
B. He received a gene mutation from both his father and his mother.
C. He inherited genes from both his father and mother.
O D. He changed the sequence of bases in his inherited DNA.
SUBMIT

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

Which organism can most likely be classifild as domain bateria