What would be the best way to predict the probability of a baby having cystic fibrosis?
a.
by studying the parents’ karyotypes
b.
by studying the family’s pedigree chart
c.
by exploring new methods of genetic engineering
d.
by determining whether the parents have codominant alleles

Why is a dominant allele called dominant

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h, o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel