Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Chapter 8, Problem 14CTQ
Describe one of the reasons that made the garden pea an excellent choice of model system for studying inheritance.
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A Venn Diagram Showing the Relationship Between
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Oogenesis
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NOTE: Similarities are represented by area 2.
Differences are represented by areas 1 or 3.
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Spermatogenesis
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Four viable gametes produced:
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Explain at least 3 factors that make corn more ideal than humans for studying inheritance patterns. Please provide explanation.
Show seven parts of constarsting traits in pea plant studied by mendal?
Chapter 8 Solutions
Concepts of Biology
Ch. 8 - Figure 8.9 In pea plants, round peas (R) are...Ch. 8 - Figure 8.10 In pea plants, purple flowers (P) are...Ch. 8 - Figure 8.16 What ratio of offspring would result...Ch. 8 - Imagine that you are performing a cross involving...Ch. 8 - Imagine that you are performing a cross involving...Ch. 8 - The observable traits expressed by an organism are...Ch. 8 - A recessive trait will be observed in individuals...Ch. 8 - What are the types of gametes that can be produced...Ch. 8 - What is the reason for doing a test cross? a. to...Ch. 8 - If black and white true-breeding mice are mated...
Ch. 8 - The ABO blood groups in humans are expressed as...Ch. 8 - In a cross between a homozygous red-eyed female...Ch. 8 - When a population has a gene with four alleles...Ch. 8 - Describe one of the reasons that made the garden...Ch. 8 - Use a Punnett square to predict the offspring in a...Ch. 8 - Use a Punnett square to predict the offspring in a...Ch. 8 - Can a male be a carrier of red-green color...Ch. 8 - Could an individual with blood type O (genotype...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Use the following information about pea plants: S = spherical seeds; s = wrinkled seeds Y = yellow seeds; y = green seeds P = purple flowers; p = white flowers I = inflated pods; i = constricted pods Write the possible genotypes for the following conditions: Heterozygous for spherical seeds Homozygous for wrinkled seeds Homozygous for spherical seeds and heterozygous for flower colorarrow_forwardThe diagram below describes the relationships of genes, alleles, and loci of genetics and how a genotype manifests as a phenotype using the pea plant flower as an example. In this case, the genotype is heterozygous, meaning that the plant carries two different alleles of the gene. Think of a scenario where you have a pea plant that is homozygous recessive in flower color. Determine the phenotype of the flower color for this plant and describe how the phenotype is derived based on the information provided in the below diagram. Make sure to include the following terms, gene, allele, locus, enzyme, and gene expression, in your discussion.arrow_forwardA type of fast plant strain that can be used to study genetics is yellow green leaf in which the homozygous recessive plant will have pale yellow-green leaves. Predict the F1 generation phenotype of a cross between a dwarf rosette plant and a pale yellow green plant. short and green short and yellow-green tall and yellow-green tall and greenarrow_forward
- Consider the following hypothetical gene a plant. Gene T produces a protein that impacts stem length. There are two alleles for geneT, T which produces long stem and t which results in short stem if gene T displays incomplete dominance and what of the following genetype above would have a different phenotypearrow_forwardYou identify a gene that determines the size of the pods of a pea plant. To study the phenotype associated with this trait, you cross a plant that is homozygous for the “long pod” allele with a pea plant that is homozygote for “short pod” allele. When measuring the length of the pods of the parents and resulting offspring, you obtain the following data: Plant Length (cm) Homozygous (“Wide” allele) 15 cm Homozygous (“Short” allele) 4 cm Resulting cross breed 9 cm What can you conclude about this phenotype/trait? Long and short alleles are codominant Wide allele shows incomplete dominance over the short allele Wide allele shows complete dominance over the short allele Short allele shows complete dominance over the long allele The wide and short genes are linkedarrow_forwardThe results of a test cross of a plant that is heterozygous for three traits encoded by the genes D, R, and Q are summarized in the table (below), which shows the numbers of offspring that inherited each combination of alleles from the heterozygous parent. Use the data collected to make a genetic map of genes D, R, and Q. Make a map of the distance between these three genes. Report your results by entering the genetic distance between each pair of genes to the nearest 0.1 cM in the blanks below. Distance D-Q: Distance D-R: Distance Q-R: Alleles from heterozygous parent R d d D D D D d r R r r R r R Number q 474 Q 289 q 286 q 30 Q 475 Q 155 159 32 q Q cM см cMarrow_forward
- The color of chickens is determined by interacting loci: AA or Aa give white, aaBB or aaBb give colored, and aaBb produces white. Describe the epistatic interactions occurring between these two genes.arrow_forwardFlower color in petunias is determined by the biochemical pathway shown below: A_ B_ C_ Yellow Orange > Green Blue aa bb Plants of genotype AAbbcc were mated to plants of genotype AaBbCc. Determine the phenotypic ratio expected from this cross and fill in the spaces in the ratio below with whole numbers in lowest form. lf none are expected in a class, then type the number 0 in the space. Yellow: Orange : Green: Bluearrow_forwardA heterozygous plant of AaBb genotype was testcrossed and gave the following results. Phenotypes A _B_ A_bb aaB_ aabb Number 140 38 32 150 Are genes A and B independently inherited? Show the mathematical basis of your decision. If genes A and B are not independently inherited, what could be the alternative mode of inheritance?arrow_forward
- Gregor Mendel’s pea plant experiments demonstrated that different characteristics are not necessarily inherited together. This is known as which of the following? Group of answer choices A-codominance B-genotypic disparity C-the principle of independent assortment D-the principle of segregation E-homozygote phenotypearrow_forwardGive and explain three reasons why Arabidopsis makes a good model organism for plant genetics.arrow_forwardLet’s say you are studying stem length in tulips. This trait determined by a number of polygenes. If there are nine phenotypic categories, how many genes are involved in tulip stem length?arrow_forward
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