1. Matched the slides that we used in the lab to study cell cycle and eam stages
ID: 270867 • Letter: 1
Question
1. Matched the slides that we used in the lab to study cell cycle and eam stages of mitoss or meiosis (points) C. Lily Ather D. Ascaris A. Onion Root Mitosis in Animal B. White fish blastula Mitosis in Plant 2. The four stages of Drosophila development in their order of appearance are: (a) stage (5 points) 3. A fly has the genotype of ap ap for its wing size. The dominant allele of the gene isand the recessive alicle (5 points) and (d) The maggots are from the is The wild type allele of the gene is and the mutont allele of tais gene is The phenotpe of the wing for this fly is 4. Approximately how many days does it take Drosophila to develop from egg to aduid Approximately how long after a female fly emerges does she remain a virgin? We anesthetize flies in our lab using a commercial product called For the diploid adult Drosophila, the number of chromosomes (2n) is equal to (5 points) 5. A monohybrid cross between wild type and vestigial flies. What are the phenotypes of the Fl flies? For our dibybrid cross with ebony and vestigial flies When you cross wild type male with white-eye female flies. What is the eye color of the Fl male flies? what is the eye color ofthe F1 fernale flies? What .rethe genoppes af male andfemale flies What are the phenotypes of the Fl1 flies? (10 points) 6. In a monohybrid, the phenotype of the F2 generation will follow a ratio of In a dihybrid, the phenotype of the F2 generation will follow a ratio of 5 points) 7. When performing a chi-square analysis, the cutoff p value isThe degree of freedom (df) for and degree of freedom for dibybrid is ts The formula to calculate the chi-square is (5 points) 8. To distinguish homozygous dominant genotype from the heterozygous genotype, you can use To identify whether a gene is autosomal or x-linked, you can use (5 points) b) Reciprocal-cross c) Test-cross d) None of the above 9. The purpose of detergents used in lysis buffer for genomic DNA preparation is The chemical used to precipitate DNA is 5 points) 10. Where are the polytene chromosomes found in our lab (include organism, developmental type in S points) your answer)? How are the polytene chromosomes formed?Explanation / Answer
1) mitosis in animal - whitefish blastula
mitosis in plant - onion root
Oogenesis - Ascaris
spermatogenesis - lily anther
2) fertilization, cleavage, gastrulation, metamorphosis. metamorphosis stage.
3) ap+, ap, ap+ap+, ap ap, wild type.
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