Drosophila Lab: Investigating Hereditary qualities.


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Two Tasks to Complete. Pre-lab Questions from 12 Recomm. Labs(link from my website)Computer Simulated Lab:
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Slide 1

Drosophila Lab: Exploring Genetics AP suggested lab

Slide 2

Two Tasks to Complete Pre-lab Questions from 12 Recomm. Labs (link from my site) Computer Simulated Lab: "Quality Pool" drive ***Answer Questions on a different paper.

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To Access the Lab Simulation for Drosophila Click the " START " and pick " My Computer " Type in the accompanying : \\trhs_math_lang\genepool$ Choose the " Drosophila envelope " and double tap the "Neo" application. Take after the guidelines and answer the controlling inquiries recorded on the front page of your lab.

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Key Parts for Drosophila Lab Stages of Drosophila Main Characteristics to watch (4) Determining Male versus Female (3) Examine 3 Modes of Inheritance: Monohybrid: Red Eyes x Sepia Eyes Dihybrid: Eye shading, Wing Sex-Linked: White peered toward female x Red looked at Male (X ? X ? ) • (X ? y )

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Observed Values Table 7.2: F 2 Generation -78 red-looked at females -62 white-peered toward females -69 red-peered toward guys -73 white peered toward guys Expected Results: Complete #3 (both Tables) Do a Chi-square examination. **Note: Critical qualities are recorded in Table 7.5 on the base of Page 86 .

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Crosses to Complete for Lab #6 Table 7.1: F 1 Generation Data

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F 2 Generation: Sex-Linked characteristic Assume that the accompanying Data was gotten and figure out whether it is huge or not by ascertaining a Chi-Square esteem.

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Answer for First Cross X 2 = (78-72) 2 + (69-71) 2 + (62-71) 2 + (73-71) 2 71 71 71 X 2 = 0.69 + 0.06 + 1.14 + 0.06 X 2 = 1.94 Degrees of flexibility: (4 categories) 3 Critical Value: see Table7.3 (pg.85) 7.82 The chi-squared worth is under 7.82 Therefore :Our invalid speculation is acknowledged: That there is not a huge contrast between the watched esteem and expected quality. We should then acknowledge that our outcomes takes after the normal (hypothetical quality).

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2 nd Genetic Cross Red-Eyed: Dominant S Sepia eyes: Recessive s Parental cross: SS X ss F 1 Cross: s X s F 1 : All Ss F 2 : 3:1 (red:sepia)

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Observed Values for #7 (table) Phenotype # Observed # Expected Red-Eyed 140 calc. esteem sepia 60 calc. Esteem Total: 200 posterity Complete Questions #6 & 7

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Data for Second Cross

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Other Crosses to do Pg 86: Green & Albino seedlings Pg.88: Long & short winged flies **complete and figure Chi-Square values to figure out whether the outcomes are noteworthy and adequate (measurably substantial)

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