1) What are homologous chromosomes? What does it mean that they are considered homologous? (2 pts)...
1) What are homologous chromosomes? What does it mean that they are considered homologous? (2 pts)
2) What is an allele? Describe the difference between dominant and recessive alleles? (2 pts)
3) Imagine that there is a species of flower whose phenotype is either white or red. The red allele (R) is dominant and the white allele (r) is recessive.
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If you see a white flower, what is its genotype? Explain your reasoning. (1 pts)
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If you see a red flower, what are its possible genotypes? Explain your reasoning. (1 pts)
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Use a Punnett square to cross a homozygous recessive flower with a homozygous dominant flower. (1 pts)
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From the Punnett square above, what are the genotypic and phenotypic ratios of the offspring? (1 pts)
Homework Answers
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1) What are homologous chromosomes? What does it mean that they
are considered homologous? (2 pts)...
can someone please help me with this ? Practice Using a Punnett Square. Punnett Squares are...
can someone please help me with this ?
Practice Using a Punnett Square. Punnett Squares are tools to identify outcomes known genotypes. They can be used to help infer probabilities of genotypes and from a particular cross. of possible crosses between individuals of phenotypes amongst offspring lele forms "A" and "a". A woman is heterozygous, so she can produce eggs with Consider a gene with all 9. and Write them across the top of the Punnett Square below the following...
A plant has a dominant red (R) and reces- sive white (r) allele for flower color....
A plant has a dominant red (R) and reces- sive white (r) allele for flower color. Based on the completed Punnett square above genotypes), what is the probability that the offspring will have red flowers (phenotype)? Answer A plant has a dominant tall (T) and recessive short (t) allele. Based on the completed Pun- nett square above (genotypes), what is the probability that the offspring will be short (phenotype)? Answer: Allele Key Brown Blue =
Punnett Square for Question #4 is a the top Punnett Square Genotypic ratio: Phenotypic ratio: 5....
Punnett Square for Question #4 is a the top
Punnett Square Genotypic ratio: Phenotypic ratio: 5. Purple flowers (P) are completely dominant over white flowers (p). If a pea plant is heterozygous for purple flowers, can any of this plant's offspring have all purple flowers? Think about the different genotypes with which you can cross the hetero- zygous parent: homozygous dominant, heterozygous, and homozygous recessive. Use three Punnett squares to show your work for each possible phenotype. Heterozygous purple pea...
PRE-LAB QUESTIONS - Genetics - Lab #9 1. Humans inherit two alleles for every gene. For...
PRE-LAB QUESTIONS - Genetics - Lab #9 1. Humans inherit two alleles for every gene. For an example, gene "R" provides the instructions for face shape. The dominant allele for the gene is denoted as R and the recessive allele for the gene is denoted as r. The dominant phenotype is a round face shape and the recessive phenotype is a square face shape. Use this information to answer the questions below: What is the genotype of a homozygous dominant...
I’m so confused by this, please explain Punnett Squares Reginald Punnett was a British geneticist who...
I’m so confused by this, please explain Punnett Squares Reginald Punnett was a British geneticist who developed the Punnett square to explain how the chromosomes of parents cross and produce offspring. In order to solve genetics problems using a Punnett square, it is necessary to a) understand the associated vocabulary and b) understand some of the rules for solving the problems. · Before you continue with the problems below, review the meaning of the terms allele, dominant, recessive, homozygous, heterozygous,...
Merritt, 2016 BIO 1511 NAME:F. I.) 10-15 Post Lab #10 Post-LabE19: BASIC GENETICS PROBLEMS # Correct...
Merritt, 2016 BIO 1511 NAME:F. I.) 10-15 Post Lab #10 Post-LabE19: BASIC GENETICS PROBLEMS # Correct Answers: (16) (Last) Lab Day: MWF(circle one) Solve the genetics problems in this handout. For all problems, assume complete dominance, assume one gene codes for one trait, and assume there are only 2 different alleles possible for each gene (dominant or recessive) 1. If a homozygous dominant red flowered plants are crossed with homozy phenotypes and genotypes of the offspring? Show the genotypes of...
Experiment 1 Exercise 1 - Data Table 1 Punnett Square 1 Data Table 2 Photo 1...
Experiment 1 Exercise 1 - Data Table 1 Punnett Square 1 Data Table 2 Photo 1 Data Table 3 O Panel 1 Data Table 4 Data Table 1: Millet Seed Genotypes and Phenotypes Genotype Phenotype Homozygous dominant Heterozygous Homozygous recessive UUUUUU Examine the millet seeds provided in the kit. Each seed represents an individual living being. There are two seed types: 1) some seeds are round with a smooth exterior; 2) some seeds are slightly wrinkled and have pointed ends....
7. If offspring exhibit a 3:1 phenotypic are the parents' genotypes? f purple flower color in...
7. If offspring exhibit a 3:1 phenotypic are the parents' genotypes? f purple flower color in a plant is controlled by the allele Rand white flower.com by the allele, which flower color is dominant? and white flower color is controlled 9. If a heterozygous purple flowered plant is crossed with a white flowered plant w phenotypes of their offspring? as 10. If the offspring of a cross are 50 purple-flowered plants and 14 white-flowered plants, what are the genotypes of...
Name: PRELAB QUESTIONS 1. Define the following terms: Gene- Allele - Phenotype- Genotype- Homozygous dominant -...
Name: PRELAB QUESTIONS 1. Define the following terms: Gene- Allele - Phenotype- Genotype- Homozygous dominant - Homozygous recessive- Heterozygous- 2. Put into your own words Mendel's law of segregation. LI Does the law of segregation always apply when dealing with genes located on chromosomes within a diploid nucleus? If not, explain why. 3. Mendel worked with several pea plant characters, each of which was determined by a single gene with two alleles, one dominant and the other recessive. For each...
1. In a monohybrid cross, (a) only one trait is being considered. ib) the parents are...
1. In a monohybrid cross, (a) only one trait is being considered. ib) the parents are always dominant. is the parents are always heterozygous. (d) no hybrid is produced. 7. The gametophyte of a fomu (a) haploid. (b) photoautotrophic. (c) a structure that produces eggs and/or sperm (d) all of the above 8. A chi-square test is used to (a) determine if experimental data adequately matches what was expected. (b) analyze a Punnett square. (c) determine parental genotypes producing a...
can someone please help me with this ?
Practice Using a Punnett Square. Punnett Squares are tools to identify outcomes known genotypes. They can be used to help infer probabilities of genotypes and from a particular cross. of possible crosses between individuals of phenotypes amongst offspring lele forms "A" and "a". A woman is heterozygous, so she can produce eggs with Consider a gene with all 9. and Write them across the top of the Punnett Square below the following...
A plant has a dominant red (R) and reces- sive white (r) allele for flower color. Based on the completed Punnett square above genotypes), what is the probability that the offspring will have red flowers (phenotype)? Answer A plant has a dominant tall (T) and recessive short (t) allele. Based on the completed Pun- nett square above (genotypes), what is the probability that the offspring will be short (phenotype)? Answer: Allele Key Brown Blue =
Punnett Square for Question #4 is a the top
Punnett Square Genotypic ratio: Phenotypic ratio: 5. Purple flowers (P) are completely dominant over white flowers (p). If a pea plant is heterozygous for purple flowers, can any of this plant's offspring have all purple flowers? Think about the different genotypes with which you can cross the hetero- zygous parent: homozygous dominant, heterozygous, and homozygous recessive. Use three Punnett squares to show your work for each possible phenotype. Heterozygous purple pea...
PRE-LAB QUESTIONS - Genetics - Lab #9 1. Humans inherit two alleles for every gene. For an example, gene "R" provides the instructions for face shape. The dominant allele for the gene is denoted as R and the recessive allele for the gene is denoted as r. The dominant phenotype is a round face shape and the recessive phenotype is a square face shape. Use this information to answer the questions below: What is the genotype of a homozygous dominant...
Merritt, 2016 BIO 1511 NAME:F. I.) 10-15 Post Lab #10 Post-LabE19: BASIC GENETICS PROBLEMS # Correct Answers: (16) (Last) Lab Day: MWF(circle one) Solve the genetics problems in this handout. For all problems, assume complete dominance, assume one gene codes for one trait, and assume there are only 2 different alleles possible for each gene (dominant or recessive) 1. If a homozygous dominant red flowered plants are crossed with homozy phenotypes and genotypes of the offspring? Show the genotypes of...
Experiment 1 Exercise 1 - Data Table 1 Punnett Square 1 Data Table 2 Photo 1 Data Table 3 O Panel 1 Data Table 4 Data Table 1: Millet Seed Genotypes and Phenotypes Genotype Phenotype Homozygous dominant Heterozygous Homozygous recessive UUUUUU Examine the millet seeds provided in the kit. Each seed represents an individual living being. There are two seed types: 1) some seeds are round with a smooth exterior; 2) some seeds are slightly wrinkled and have pointed ends....
7. If offspring exhibit a 3:1 phenotypic are the parents' genotypes? f purple flower color in a plant is controlled by the allele Rand white flower.com by the allele, which flower color is dominant? and white flower color is controlled 9. If a heterozygous purple flowered plant is crossed with a white flowered plant w phenotypes of their offspring? as 10. If the offspring of a cross are 50 purple-flowered plants and 14 white-flowered plants, what are the genotypes of...
Name: PRELAB QUESTIONS 1. Define the following terms: Gene- Allele - Phenotype- Genotype- Homozygous dominant - Homozygous recessive- Heterozygous- 2. Put into your own words Mendel's law of segregation. LI Does the law of segregation always apply when dealing with genes located on chromosomes within a diploid nucleus? If not, explain why. 3. Mendel worked with several pea plant characters, each of which was determined by a single gene with two alleles, one dominant and the other recessive. For each...
1. In a monohybrid cross, (a) only one trait is being considered. ib) the parents are always dominant. is the parents are always heterozygous. (d) no hybrid is produced. 7. The gametophyte of a fomu (a) haploid. (b) photoautotrophic. (c) a structure that produces eggs and/or sperm (d) all of the above 8. A chi-square test is used to (a) determine if experimental data adequately matches what was expected. (b) analyze a Punnett square. (c) determine parental genotypes producing a...
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