Help this is due 4 hours Which image would MOST LIKELY be used in an informational book about how automobiles have developed through history?
A) a chart showing the cost of cars
B) a picture showing cars on the highway
C) a blueprint of the very first car ever built
D) a time line showing when certain cars were built

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.

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?