GENETICS LAB REVIEW /
QUESTIONS & EXPERTLY
VERIFIED ANSWERS, 2025 /
2026.Quiz____?Drosophila melanogaster is a good model organism because it
Question options:
a) has a small genome b) reproduces quickly c) has many offspring d) can be easily maintained in the lab e) all of these - Answer✓✓ E Quiz____?Human diseases can be studied in Drosophila because - Answer✓✓ about 75% of human disease-causing genes have related genes in Drosophila.Page 1 of 16 1 / 3
Quiz____?Drosophila is diploid, with ___ pairs of chromosomes. - Answer✓✓ 4 Quiz____?Diploid organisms have two copies of every gene. The two copies are called alleles. The most common allele in a natural population of Drosophila is the - Answer✓✓ wild type allele Quiz____?A wild type Drosophila allele is always symbolized by a(n) - Answer✓✓ + Quiz____?The mutant allele ebony is recessive. How would you symbolize a fly that is heterozygous for the wild type and ebony alleles? - Answer✓✓ e+/e Quiz____?When writing a genotype, what does the "/" between the alleles mean? - Page 2 of 16 2 / 3
Answer✓✓ it means they are on the same chromosome (homolog) Quiz____?What tool will you use to examine flies today? - Answer✓✓ dissecting microscope Quiz____?What will you be looking for as you examine the wild type flies? - Answer✓✓ distinguishing between males and females Quiz____?Male Drosophila have - Answer✓✓ an X and a Y chromosome Quiz____?The mutant allele droopy is dominant. How would you symbolize a fly that is heterozygous for the wild type and droopy alleles? - Answer✓✓ D+/D Page 3 of 16
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