Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Textbook Question
Chapter 10, Problem 2FTB
An organism is described as Rr, with red coloring. Rr is the organism's ___________, while red color is its __________. This organism would be_____________ (homozygous/heterozygous) for this color gene.
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A single gene disorder that produces several symptoms is________.
Scientists at Bikini Bottoms have been investigating the genetic makeup of the organisms in this community. Use the information provided and your knowledge of genetics to answer each question.
For each genotype below, indicate whether it is heterozygous (Hetz) OR homozygous (Homz).
TT _____ Bb _____ DD _____ Ff _____ tt _____ dd _____
Dd _____ ff _____ Tt _____ bb _____ BB _____ FF _____
Which of the genotypes in #1 would be considered purebred? ________________________________
Which of the genotypes in #1 would be hybrids? __________________________________________
It is found at a specific spot
within a gene that represents
a variation of that gene. *
Genetics
Gene
Heredity
Allele
Chapter 10 Solutions
Biology: Life on Earth
Ch. 10 - Fill-in-the-Blank The physical position of a gene...Ch. 10 - Define nondisjunction, and describe common...Ch. 10 - In certain cattle, hair color can be red...Ch. 10 - Prob. 2GPCh. 10 - In the edible pea, tall (T) is dominant to short...Ch. 10 - In tomatoes, round fruit (R) is dominant to long...Ch. 10 - In the tomatoes of Problem 4, an F1 offspring...Ch. 10 - Prob. 6GPCh. 10 - In humans, one of the genes determining color...Ch. 10 - In the couple described in Problem 7, the woman...
Ch. 10 - An organism is described as Rr, with red coloring....Ch. 10 - 2. The inheritance of multiple traits depends on...Ch. 10 - Fill-in-the-Blank Many organisms, including...Ch. 10 - 4. Genes that are present on one sex chromosome...Ch. 10 - 5. When the phenotype of heterozygotes is...Ch. 10 - 1. Define the following terms: gene, allele,...Ch. 10 - 2. Explain why genes located on the same...Ch. 10 - 3. Define polygenic inheritance. Why does...Ch. 10 - What is sex linkage? In mammals, which sex would...Ch. 10 - What is the difference between a phenotype and a...Ch. 10 - 6. In the pedigree of part (a) of Figure 11–22, do...Ch. 10 - Sometimes the term gene is used rather casually....Ch. 10 - In an alternate universe, all the genes in all...Ch. 10 - Prob. 3AC
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- If an individual is diagnosed with multiple karyotypes, they are called? Choose from the options in the image.arrow_forwardWhat is the genetic phenomenon by which, two individuals carrying the same allele causing a disease do not express the same symptoms (phenotype)? Use the editor to format your answer Iarrow_forwardIn the DNA, different alleles of a gene have a different sequence of ***18. Complete this flowchart to show how different alleles can result in different characteristics. different sequence of in transcription > different sequence of in a protein translation > different structure and function of the protein (e.g. normal enzyme vs. defective enzyme) > different characteristics (e.g. normal color vs. albino) In this section, you will analyze how different alleles of the hemoglobin gene can result in sickle cell ar vs. normal health. ***19. Compare the nucleotide sequence in the "Beginning of Normal Hemoglobin Gene" vs. the "Beginning of Sickle Cell Hemoglobin Gene". What is the only difference?arrow_forward
- Give typed explanation of all not a single word hand written otherwise leave it A tortoiseshell cat is found with two kittens. One of the kittens is an orange female, and the other kitten is a black male. What would be the genotype of the tortoiseshell cat (the mother of the two kittens)? ____________________________ What would be the genotype of the male cat that fathered the two kittens? ____________________________ Draw a Punnett square in the space below, showing the potential genotypes of kittens produced by a cross between the tortoiseshell cat and the father of the two kittens.arrow_forward1) Janet and her family members have attached earlobes (recessive trait). However, her maternal grandmother has unattached earlobes. What is the genotype of her maternal grandmother? _____________________ Janet’s maternal grandfather passed away ten years ago. What could have been his genotype?______________________________arrow_forwardTo understand this research, you must be familiar with some basic genetic terminology. Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Not all terms will be used. dominant allele phenotype The possession of two different alleles of a particular gene is referred to as Reset Help A variation in a DNA sequence at one particular position is called a heterozygosity genotype recessive allele homozygosity single nucleotide polymorphism The appearance of the organism, its observable traits, are referred to as the A variant of a gene for which an individual must be homozygous in order for it to influence the appearance of the organism is a The set of alleles an organism has for a particular trait is the organism's Submit Request Answerarrow_forward
- Use the following information to answer the next question. In the 19th century, individuals who were not among the "normal" population were often thought to be failures or defectives. Early in the 20th century, the interaction of genetics, law and society resulted in policies of enforced sterilization, restrictive immigration, and institutionalization of those thought to be genetic defectives. As this century closes, society will haev difficult choices to make about the legality, morality, and economics of applying genetic knowledge and technology. The difficulty of this situation is summarized in the words of a famous geneticist, Theodosius Dobzhansky (b. 1900 - d. 1975) "If we enable the weak and the deformed to live and produce more of their kind, we face the prospect of a genetic twilight (decline). but if we let them die or suffer when we can help them, we face the certainty of a moral twilight."arrow_forwardA mother has a genotype of AaBBCs and father has a gentotype AaBbCc. What is the probability that their offspring is AaBBCc No copied internet answers just real answers you know that you can help me with by showing work and explanation.arrow_forwardDescribe the mutation that created the Hbs allele: type of mutation, location of mutation on HbA sequence (#of bases from beginning of sequence), nucleotide change (from which base to which base?) Answer in a paragraph form and answer it straight forward...arrow_forward
- Protein synthesis is the process of building a phenotype from a genotype. In 100-200 words explain how knowledge of this process helps us to understand how variation is created and expressed. You will want to refer to specific steps in the process.arrow_forwardIn 1967, a couple accused a hospital of switching their baby with another. DNA interpretation did not exist at this time so the hospital traced the blood types of the family in order to determine if a mistake was made. The mother had Type A blood, the father had Type AB blood, and the baby had Type O blood. Use the Punnett square to defend your answer to the following question: Did the hospital make a mistake and switch the baby? ____________arrow_forwardYou are a doctor who has obtained the karyotype below from a child to be born to one of your patients. Give your patient a brief description of karyotypes and explain how any abnormalities might have occurred.arrow_forward
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