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Fruit flies normally have red eyes.Seven different true-breeding strains of fly with white eyes have been identified (A-H) .In each strain, the white eye trait is due to an autosomal recessive allele.It is possible that all seven strains have mutations in the same gene.Alternatively, some or all of the strains may have mutations in different genes.To determine how many genes are involved in eye color in these flies, all possible pairwise crosses are performed.The offspring phenotypes resulting from each cross are observed.(+ = wild-type; ? = mutant)
-Which strains' mutations represent a complementation group?
Biological Sterilization Indicator
A device used to assess the effectiveness of sterilization processes, containing microbial spores that should be killed if the process is effective.
Quality Control Measure
Procedures and standards implemented to ensure that a product or service meets specific quality criteria and customer expectations.
Sterile
A condition of being free from all forms of microorganisms, ensuring an environment or object is completely clean and pathogen-free.
Pressurized Steam
Steam that has been compressed to a higher pressure than atmospheric pressure, often used for sterilization or power generation.
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