Karen and Steve each have a sibling with sickle cell anemia. The sickle cell allele (n) is recessive to the normal allele (N). Neither Karen, Steve, nor their parents have the disease. Steve and Karen marry and have a child that has sickle-cell anemia. Make a pedigree showing the inheritance pattern of this trait through these families.
a.) Draw and label the pedigree correctly.
b.) Fill in the genotypes for all the people mentioned above.
c.) Identify the inheritance pattern shown.

Ineed asap with this question as well organisms evolve, through the process of natural selection, in ways that enable them to live successfully in their environments. choose three biomes or aquatic ecosystems and describe how abiotic factors have influenced the organisms that live there

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a. m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed