Chrome File Edit View History Bookmarks Profiles Tab Window HelpGmailin DashboardYouTubemoodle.millikin.edu/pluginfile.php/232272/mod_resource/content/0/4%20genetic%20crosses.pdf4 genetic crossesTranslateONew Tab4 genetic crosses9,304X bHome | bartlebyCH1 / 282% +Part 1: Understanding complex Mendelian inheritance: Answer each question below. Showyour work, including any Punnett squares you use, for all questions. Note: most trait examplesare completely fictional.1. Two Bermuda sharks heterozygous for fin size (Ss; S=short, s-long) were crossed, butnone of the resulting 10 offspring had long fins. Propose TWO explanations why thiscould be. Include a Punnett square for this cross.2. Two parents know their blood types (phenotype), but not their genotype. Blood type is anexample of a trait that displays both codominance and multiple allele inheritance. Oneparent is type B (1³), and the other is type A (I^). The parents give birth to an offspringthat has type A blood (I^).a. With this information, is it possible to definitively determine the full genotypes ofboth parents? If so, demonstrate how. If not, explain why not.b.What other blood types could the offspring of these parents have? Give allpossible answers and use a Punnett square to show why this is.3. One form of color-blindness in humans is more common in males, but does occur infemales. What chromosome likely carries the gene for this trait? Explain why this trait ismore common in males. Use a Punnett square to help demonstrate your explanation.4. The hypothesis of blended inheritance (see slides from 8/24/22) states that anoffspring's traits are an intermediate form between the two parents' traits. Theincomplete dominance pattern of inheritance seems to support this idea at first glance.However, when you investigate this further you can see that it actually does support thediscrete trait hypothesis. Explain why this is. Hint: set up several crosses of a traitshowing incomplete dominance, and look for examples where the phenotype of theoffspring is NOT a blend of the two parents.5. Unicorn lily flowers have four different alleles for flower color: purple, magenta, orange,or silver. Based on the following crosses, explain the relationship between these threealleles in terms of which are dominant, recessive, or have another relationship. In theexamples listed below, all parents are true-breeding.Purple x magenta → All F1 offspring are purpleSilver x magenta → All F1 offspring are magentaOrange x silver →All F1 offspring are orangePurple x orange → All F1 offspring are purpleOrange x magenta → All F1 offspring display flowers with orange & magenta petalsSEP28tvAnExW00ƠWed Sep 28 10:38 AM☐M :

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A Punnett square is a graph that makes it simple to ascertain the anticipated proportion of various…

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Biology

1. Two Bermuda sharks heterozygous for fin size (Ss; S=short, s-long) were crossed, but none of the resulting 10 offspring had long fins. Propose TWO explanations why this could be. Include a Punnett square for this cross.

1. Two Bermuda sharks heterozygous for fin size (Ss; S=short, s-long) were crossed, but none of the resulting 10 offspring had long fins. Propose TWO explanations why this could be. Include a Punnett square for this cross.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter8: Patterns Of Inheritance

Section: Chapter Questions

Problem 2ACQ: Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are...

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Mendelian GeneticsF1 Cross: Yellow, Round x Green, RoundGgWw x ggWWCharacter: Pea color & shapeUse Punnett square and fork-line method to check the F2.Show and interpret all the possible genotypes and phenotypes of the offsprings.Mendelian GeneticsF1 Cross: Tall, White, Axial x Dwarf, Violet, TerminalDdwwAA x ddWWaaCharacter: Stem height, Flower color & positionUse fork-line method to check the F2.Show and interpret all the possible genotypes and phenotypes of the offsprings.B.A.I. For A and B,1. Identify the type ofinheritance. Justifyyour answer.2. Decode the genotypesof the individuals inthe pedigree. (Useletter A forrepresentation ofalleles.)3. List down all affected
Mendelian GeneticsF1 Cross: Yellow, Round x Green, Round GgWw x ggWWCharacter: Pea color & shapeUse Punnett square and fork-line method to check the F2.Show and interpret all the possible genotypes and phenotypes of the offsprings. Mendelian GeneticsF1 Cross: Tall, White, Axial x Dwarf, Violet, Terminal DdwwAA x ddWWaaCharacter: Stem height, Flower color & positionUse fork-line method to check the F2.Show and interpret all the possible genotypes and phenotypes of the offsprings. I. For A and B,1. Identify the type of inheritance. Justify your answer.2. Decode the genotypes of the individuals in the pedigree. (Use letter A for representation of alleles.)3. List down all affected individuals.B.A.
Consider the Mendelian inherited genes below (complete dominance.) Draw your answer on paper and upload a photo here or complete your answer digitally and upload your file in a common format here. A. Track one gene: Blue bonnet flower color. Dominant allele = blue flowers, B; Recessive allele = white flowers, b Cross: heterozygous plant x homozygous recessive plant Set up and draw the Punnett square for this cross Predict % likelihood of offspring possible genotype & phenotypes B. Track two genes: Bluebonnet flower color and plant height Flower color: blue dominant B, white recessive b Plant height: tall dominant T, short recessive t Cross: heterozygous plant x homozygous recessive plant Set up and draw Punnett square Predict % likelihood of offspring genotypes and phenotypes
please use punnett squares and use a statement declaring the letters used to represent each allele using the correct conventions (i.e. same letter used for dominant/recessive, superscripts for co-dominant/incomplete dominant/sex-linked).
PLEASE SOLVE GENETICS PEDIGREES ANALYSIS
Hi, I'm having trouble with my study guide for my upcoming genetics exam. If someone could please help with work shown and an explanation it would help so much! Thank you!! 2a. The pedigree below represents inheritance of rare condition. What pattern of inheritance is most consistent with the data? Assign alleles to all individuals to support your answer. If an allele is unknown, assign it a ? symbol. NOTE: Individuals whose phenotype or genotype cannot be determined are assumed to be unaffected and homozygous, unless otherwise indicated. 2b. In addition to the alleles you’ve indicated, describe 2 overall features of the pedigree that make it consistent with your chosen form of inheritance. 2c. Based on your mode of inheritance, what is the probability that the child of couple IV-4 x IV-5 will be affected? Show your work. attached is the pedigree
Individuals, such as Ryan Clark and Geno Atkins, heterozygous for the sickle cell allele show effects of the allele under some circumstances (refer to the linked article and Mendelian patterns of inheritance in your text). Explain in terms of gene expression. http://www.nfl.com/news/story/0ap3000000714754/article/coleman-unsure-on-denver-game-due-to-sickle-cell-trait
Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are dominant to green (y). What are the possible genotypes and phenotypes for a cross between PpYY and ppYy pea plants? How many squares would you need to complete a Punnett square analysis of this cross?
Summary IntroductionTo determine:Whether the given statement “All traits are inherited in a Mendelian pattern.” is true or false.Introduction:Some traits are transferred to the offspring from their parents; this process is called inheritance. Mendel gave some laws to describe how genetic transmission of traits take place, the inheritance pattern that follows the law of Mendel is known as Mendelian inheritance. Mendel gave the law of segregation, the law of dominance, and the law of independent assortment.
Notation: D = disease allele at gene d = wild-type allele at gene Let’s provide some information about each MOI. AD: Each of the F1 parents is heterozygous for the D allele. SLR: The observed F2 data are the offspring from an F1 cross where the father is affected (disease) and the mother is an unaffected carrier (wild-type, or WT). That is, the mother’s genotype has one disease allele and one WT allele in it. In Table 1, I provide the observed data counts (in dark blue). Notice that I stratify by gender. Table 1 Phenotype O E O-E (O-E)^2 (O-E)^2 /E Disease, Male 304 Disease, Female 267 WT, Male 285 WT, Female 301 Total 1157 DF p-value In Table 2, provide expected proportions for two different MOIs: AD and SLR. The values in this table are computed using information from the Punnett Square and the specified MOI. Once the proportions are determined, we can fill in the values in Table 3, E(xpected)…
Please define the following terms: Gene Allele Dominant Recessive Homozygous Heterozygous
Neo-Mendelian Genetics: Complete dominance and overdominance Huntington’s disease, a neurodegenerative genetic disorder that typically becomes noticeable in middle age, is due to an autosomal dominant allele. Sickle cell anemia, on the other hand, is a genetic blood disorder due to a recessive allele. Mary is a carrier of the allele for sickle cell anemia but has no sign of any neurodegenerative disorder in her family. She married Paul whose father died of Huntington’s disease. His mother, however, is not inflicted with that condition. Neither of his parents exhibits sickle cell anemia. What are the genotypes of Mary and Paul? If they plan to have four children, what is the probability that: all their children will be normal? ____________ they will have a son with Huntington’s disease? ___________ they will have a daughter inflicted with both conditions?____________