Please help asap 2. Read the scenario presented below. Answer the follow-up questions using the information here.Background:Most fruit flies are identical, with yellow-brown bodies, red eyes, and straight wings, butoccasionally a different looking fly will hatch. You have identified an unusual fly – one withbrown eyes. It is pure-bred. You want to know whether brown eyes are dominant over orrecessive to red eyes.Experiment:You cross a purehred brown-eyed fly with a purebred red-eyed fly. All, or 100%, of the offspringhave red eyes. Then you take two of these offspring with red eyes, cross them and get 75% redeyes and 25% brown eyes.(adapted from Şavas-Miller and Levine) B. Create the two Punnett squares from the experiment that will achieve the results of the experimentabove. Record the genotypic and phenotypic ratios produced from both crosses. You may chooseyour own letter to represent your allele. (Level 7-8)*hint: use the "draw" tool in Microsoft Word. Be sure to show all work to gain full points.GenotypicPhenotypic Ratio:Genotypic Ratio:Phenotypic Ratio:

Genes are the functional units of nucleic acid (DNA). DNA is the genetic centre of cell. It stores…

B. Create the two Punnett squares from the experiment that will achieve the results of the experiment above. Record the genotypic and phenotypic ratios produced from both crosses. You may choose your own letter to represent your allele. (Level 7-8) *hint: use the "draw" tool in Microsoft Word. Be sure to show all work to gain full points. Genotypic Ratio: Phenotypic Ratio:

B. Create the two Punnett squares from the experiment that will achieve the results of the experiment above. Record the genotypic and phenotypic ratios produced from both crosses. You may choose your own letter to represent your allele. (Level 7-8) *hint: use the "draw" tool in Microsoft Word. Be sure to show all work to gain full points. Genotypic Ratio: Phenotypic Ratio:

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter11: The Basic Principles Of Heredity

Section: Chapter Questions

Problem 2TYU: The F1 flies described in question 1 were mated with brown-eyed flies from a true-breeding line....

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The F1 flies described in question 1 were mated with brown-eyed flies from a true-breeding line. What phenotypes would you expect the offspring to have? (a) all with red eyes (b) all with brown eyes (c) half with red eyes and half with brown eyes (d) red-eyed females and brown-eyed males (e) brown-eyed females and red-eyed males
1. You are given a female F1 of unknown genotype. You cross the female fly to a homozygous male that has forked bristles and malformed eyes. The offspring of the cross is shown below: (Define symbols for your traits) Phenotype Forked bristles, normal eyes 752 Number Genotype Forked bristles, malformed 56 eyes Malformed eyes, normal bristles Normal eyes, normal bristles 820 64 a. What are the genotypes of the offspring? b. Based on the progeny, what were the genotypes of the F1 parents? What is the distance between for and mal?
O e. Parent 2: Parent 1: Parent 2: ¡Ai QUESTION 9 Bi QUESTION 8 Let's assume that, in dragons, red scales (B) are dominant to green scales (b), and long tongues (S) are dominant to short tongues (s). The genes that determine these characteristics assort independently. A homozygous red, long-tongued dragon is crossed with a homozygous green, short-tongued dragon. If an F1 dragon is crossed to a homozygous green and homozygous short-tongued dragon, what phenotypes and proportions are expected in the offspring? O a. 100% green and long-tongued O b. ½ green and short-tongued & ½ red and long-tongued O c. ½ red and short-tongued & ½ green and long-tongued O d.% red and long-tongued, % red and short-tongued, ½ green and long-tongued, % green and short-tongued O e. 9/16 red, long-tongued, 3/16 green, long-tongued, 3/16 red, short-tongued, 1/16 green, short-tongued Save and Submit to save and submit. Click Save All Answers to save all answers. 000 MacBook Air
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Answer ALL questions in the foolscap paper sheets. 1. In the fruit fly, Drosophila melanogaster, the gene for eye colour is sex linked. The allele for the red eve is dominant to the allele for white eye. In an experiment, a red-eyed female was crossed with a white-eyed male. Two fruit flies of the F1 generation were then crossed. The following F2 phenotypes were produced: red- eyed females red-eyed males white-eyed males 95 49 56 By using suitable symbols, draw a genetic cross diagram to explain the results.
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