Fraternal twins: Question 18 options: share 75% of their genes. are exact genetic copies of each other. develop from two different eggs fertilized by two different sperm. are more genetically similar than are ordinary siblings.

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

The process of meiosis produces only gametes, eggs or sperm. according to the diagram, how many sperm are formed from each cell that undergoes meiosis?

How can we use spectral lines of light coming from the superclusters to identify which is receding from earth at the slowest rate.