8. Colorblindness is a recessive, sex-linked trait located on the X chromosome. Gaspar is a colorblind man, and his wife Stephanie is a carrier for colorblindness. If they have a male child,
what is the ratio of possible colorblind sons to other phenotypes?
A 0:4
B. 1:3
C. 2:2
D. 4:0

There are six elements that make up most of the human body. which of the following is not one of these six elements?

What occurs to the cell during mitosis

Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species