The cerebral arterial circle, or circle of Willis creates an arterial of blood vessels around the pituitary gland and optic chiasm to allow for of blood

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked

Why is hemophilia more common in males than in females? a.hemophilia is more common in females b.affected males only need to inherit one copy of the allele c.hemophilia affects only males

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?