Colorblindness is an X-linked recessive trait. A phenotypically normal man and a colorblind woman have four sons. What is the probability that all four of them are color blind? Assume no new mutations.

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms