Which of the following is true about rocks? a. rocks are composed of only one mineral. b. most rocks are a mixture of minerals. c. coal is not considered a true rock. d. rocks do not contain any nonmineral matter.

How does an angiosperm prevent self pollination

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3

When are the centromeres broken in meiosis?