Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 38, Problem 33CTQ
What movements) occur(s) at the scapulae when you shrug your shoulders?
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Your goal is to produce black seeds resistant to mold. So you make the same cross again (between a homozygous black seeded, mold susceptible parent and a homozygous white seeded and mold resistant parent), and, again, advance progeny by SSD to create 100 F10 generation plants.
Based on the information you obtained from your first crossing experiment (Question #4), how many F10 plants would you expect to have black seeds and be resistant to mold?
Assume that a toxin produced by the mold fungus has been isolated. Only mold resistant seeds will germinate in the presence of the toxin. Could you use this toxin screening procedure to have segregation distortion work in your favor in the F2 generation? Explain your answer.
Info from Question 4
a. P Locus (Seed Color):
Hypothesis: The null hypothesis (H₀) is that seed color is controlled by alleles at a single locus.
Observed Data:
Total white seeds: 45 (resistant plants) + 6 (susceptible plants) = 51
Total black seeds: 7 (resistant…
10. Consider the following enzyme and its substrate where the "+" and "-" indicate cations and
anions, respectively. Explain which of the following inhibitors could inhibit this enzyme?
Which type of inhibitor would it be and why? (Video 5-2)
Substrate
Enzyme
Potential inhibitors
Using Punnett Squares Punnett squares are one good
way to predict the outcome of genetic crosses. Punnett
squares use mathematical probability to help predict the
genotype and phenotype combinations in genetic crosses. The
number of possible alleles from each parent determines the
number of rows and columns in the Punnett square.
Independent Assortment
KEY QUESTION How do alleles segregate when more than
one gene is involved?
Mendel wondered if the segregation of one pair of alleles
affects another pair. For example, does the gene that
determines the shape of a seed affect the gene for seed color?
This type of experiment is known as a two-factor, or dihybrid,
cross because it involves two different genes. Single-gene
crosses are monohybrid crosses.
Visual Reading Tool: Two-Factor Cross: F₂
The Punnett square shows the
results of self-crossing the F,
generation of a cross between
round yellow peas and wrinkled
green peas.
1. List the different genotypes in
the F, generation. What is the…
Chapter 38 Solutions
Biology 2e
Ch. 38 - Figure 38.19 Which of the following statements...Ch. 38 - Figure 38.37 Which of the following statements...Ch. 38 - Figure 38.38 The deadly nerve gas Sarin...Ch. 38 - The forearm consists of the radius and ulna radius...Ch. 38 - The pectoral girdle consists of the: clavicle and...Ch. 38 - All of the following are groups of vertebrae...Ch. 38 - Which of these is a facial bone? frontal occipital...Ch. 38 - Which of the following is not a true statement...Ch. 38 - The Haversian canal: is arranged as rods or plates...Ch. 38 - The epiphyseal plate: is arranged as rods or...
Ch. 38 - The cells responsible for bone resorption are...Ch. 38 - Compact bone is composed of trabeculae compacted...Ch. 38 - Osteoporosis is a condition where bones become...Ch. 38 - While assembling a skeleton of a new species, a...Ch. 38 - Synchondroses and symphyses are synovial joints...Ch. 38 - The movement of bone away from the midline of the...Ch. 38 - Which of the following is not a characteristic of...Ch. 38 - The elbow is an example of which type of joint?...Ch. 38 - A high ankle sprain iis an injury caused by over...Ch. 38 - In relaxed muscle, the myosin-binding site on...Ch. 38 - The cell membrane of a muscle fiber is called a...Ch. 38 - The muscle relaxes if no new nerve signal arrives....Ch. 38 - The ability of a muscle to generate tension...Ch. 38 - Botulinum toxin causes flaccid paralysis of the...Ch. 38 - What are the major differences between the male...Ch. 38 - What are the major differences between the pelvic...Ch. 38 - Both hydrostatic and exoskeletons can protect...Ch. 38 - Scoliosis is a medical condition where the spine...Ch. 38 - What are the major differences between spongy bone...Ch. 38 - What are the roles of osteoblasts, osteocytes, and...Ch. 38 - Thalidomide was a morning sickness drug given to...Ch. 38 - What movements occur at the hip joint and knees as...Ch. 38 - What movements) occur(s) at the scapulae when you...Ch. 38 - Describe the joints and motions involved in taking...Ch. 38 - How would muscle contractions be affected if ATP...Ch. 38 - What factors contribute to the amount of tension...Ch. 38 - What effect will low blood calcium have on...Ch. 38 - Skeletal muscles can only produce a mechanical...
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- CHAPTER 12 LESSON 2 Applying Mendel's Principles READING TOOL Connect to Visuals Before you read, preview Figure 12-7. Try to infer the purpose of this diagram. As you read, compare your inference to the text. After you read, revise your statement if needed or write a new one about the diagram's purpose. Take notes on the lines provided. Then view the Punnett square and answer the questions below regarding the genotypes and phenotypes. Inference: Revision: Parent 2 rryy Gametes F ry Parent 1 RRYY Gametes RY RrYy The F, generation are all RrYy. 1. What is the phenotype of parent 1?. 2. What is the genotype of parent 1? 3. What is the phenotype of parent 2? 4. What is the genotype of parent 2? 5. What is the phenotype of the F, offspring?. 6. What is the genotype of the F, offspring?. 7. What kind of cross does this figure describe? 144 Chanter 12 Introduction to Genetice Copyright Pearson Education Inc. or its affiliator. All rights reserved.arrow_forwardHow is the term enzyme related to the term proteinarrow_forwardCan very low temperatures cause proteins to denature? Explain why or why not?arrow_forward
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