Answer:
B)Fred and Luke
Explanation:
On the pedigree, it is obvious that they suffer from hemophilia because they appear colored, but males(XY) need only one allele for hemophilia to be sufferers.
Xylem and phloem are complex, transport tissues of plants wherein the distribution of food, nutrients, and water to all parts of the plants are being done here. These vascular plants are able to grow taller than the other plants due to the rigidity and strength of xylem cells, which support the plant. Xylem is considered as the primary component of wood.
I'd have to say either 1 or 3. I would choose number 3.
Frank would have naturally curly hair because of his hereditary genes. That means that his parents would have A curly hair Gene therefore he has the curly hair Gene as well .