Approximately one out of every 2500 Caucasians in the United States has the recessive disease cystic fibrosis. Using the Hardy-Weinberg equation, calculate approximately the proportion of Caucasians who are carriers (i. e., are heterozygous) for this condition

Asnail, elodea (aquatic plant), or both were added to the tubes and they were stoppered. tubes were placed under a grow light for 24 hours and the results recorded. the test tubes were then covered for 24 hours to produce a dark environment and the results recorded. which statement best explains the change in test tube d from the light setup to the dark setup.

2. in dragons, a gene on chromosome 1 codes for wing color and a gene on chromosome 2 codes for body color. draw out the stages of meiosis for these two chromosomes from a dragon that is heterozygous for both traits. define your alleles. what are all the possible allele combinations of the gametes produced?

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation