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Pretest: The Universe
6
Select the correct answer.
How do dying stars contribute to the formation of new stars?
O A.
The light elements they expel form new nebulae.
B.
Their core is absorbed by neighboring nebulan

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