Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 2.1, Problem 3COMQ
To avoid self-fertilization in his pea plants, Mendel had to
a. spray the plants with a chemical that damaged the pollen.
b. remove the anthers from immature flowers.
c. grow the plants in a greenhouse that did not contain pollinators (e.g., bees).
d. do all of the above.
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Students have asked these similar questions
Pea plants were a good model organism for Mendel because
A -they had large flowers and were easy to manipulate
b -there were many contrasting traits
c -both a and b
d- none of the above
If a chicken has black and white feathers, how could you describe the genes for feather color?
If a plant has yellow flowers and is crossed with a plant with red flowers and the resulting offspring has orange flowers, what can you infer about this plant's genetics?
Experimental advantages of using pea plants include which ofthe following?a. They came in several different varieties.b. They were capable of self-fertilization.c. They were easy to cross.d. All of the above were advantages
Chapter 2 Solutions
Genetics: Analysis and Principles
Ch. 2.1 - 1. Experimental advantages of using pea plants...Ch. 2.1 - The term cross refers to an experiment in which a....Ch. 2.1 - 3. To avoid self-fertilization in his pea plants,...Ch. 2.2 - Prob. 1COMQCh. 2.2 - Prob. 2COMQCh. 2.3 - A pea plant has the genotype rrYy. How many...Ch. 2.3 - A cross is made between a pea plant that is RrYy...Ch. 2.3 - Prob. 3COMQCh. 2.4 - Which of the following would not be observed in a...Ch. 2.4 - Prob. 2COMQ
Ch. 2.5 - A cross is made between AABbCcDd and AaBbccdd...Ch. 2.5 - Prob. 2COMQCh. 2.5 - Prob. 3COMQCh. 2 - 1. Why did Mendel’s work refute the idea of...Ch. 2 - 2. What is the difference between...Ch. 2 - 3. Describe the difference between genotype and...Ch. 2 - 4. With regard to genotypes, what is a...Ch. 2 - 5. How can you determine whether an organism is...Ch. 2 - In your own words, describe Mendels law of...Ch. 2 - Based on genes in pea plants that we have...Ch. 2 - Prob. 8CONQCh. 2 - Do you know the genotype of an individual with a...Ch. 2 - 10. A cross is made between a pea plant that has...Ch. 2 - Prob. 11CONQCh. 2 - 12. Describe the significance of nonparentals with...Ch. 2 - For the following pedigrees, describe what you...Ch. 2 - Ectrodactyly, also known as lobster claw syndrome,...Ch. 2 - Identical twins are produced from the same sperm...Ch. 2 - In cocker spaniels, solid coat color is dominant...Ch. 2 - A cross was made between a white male dog and two...Ch. 2 - 18. In humans, the allele for brown eye color (B)...Ch. 2 - Albinism, a condition characterized by a partial...Ch. 2 - A true-breeding tall plant was crossed to a dwarf...Ch. 2 - 21. For pea plants with the following genotypes,...Ch. 2 - 22. An individual has the genotypeand makes an...Ch. 2 - 23. In people with maple syrup urine disease, the...Ch. 2 - Prob. 24CONQCh. 2 - 25. A true-breeding pea plant with round and Page...Ch. 2 - Prob. 26CONQCh. 2 - 27. What are the expected phenotypic ratios from...Ch. 2 - Prob. 28CONQCh. 2 - Prob. 29CONQCh. 2 - A pea plant that is dwarf with green, wrinkled...Ch. 2 - 31. A true-breeding plant with round and green...Ch. 2 - Wooly hair is a rare dominant trait found in...Ch. 2 - Huntington disease is a rare dominant trait that...Ch. 2 - 34. A woman with achondroplasia (a dominant form...Ch. 2 - 1. Describe three advantages of using pea plants...Ch. 2 - Explain the technical differences between a...Ch. 2 - 3. How long did it take Mendel to complete the...Ch. 2 - 4. For all seven characters described in the data...Ch. 2 - From the point of view of crosses and data...Ch. 2 - 6. As in many animals, albino coat color is a...Ch. 2 - 7. The fungus Melampsora lini causes a disease...Ch. 2 - For Mendels data for the experiment in Figure 2.8,...Ch. 2 - 9. Would it be possible to deduce the law of...Ch. 2 - In fruit flies, curved wings are recessive to...Ch. 2 - A recessive allele in mice results in an unusally...Ch. 2 - Prob. 12EQCh. 2 - Prob. 13EQCh. 2 - Prob. 14EQCh. 2 - 15. A cross was made between two strains of plants...Ch. 2 - A cross was made between two pea plants, TtAa and...Ch. 2 - Consider this four-factor cross: TtRryyAaTtRRYyaa,...
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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
- How can you determine the genotype of a plant showing the dominant phenotype of red color? A. Cross the red plant with a white plant to see how many red plants appear B. Cross the red plant with other red plants to see if any white plants appear. C. Cross the red plant with a white plant to see if any white plants appear. D. The phenotype reflects the genotype, so the plant must be homozygous for the trait.arrow_forwardMendel, the father of genetics, was a careful researcher who studied the inheritance of certain traits in garden peas. Which of the following was NOT part of Mendel's research strategies? A.) He crossed true-breeding (self pollinating) pea plants. B.) He allowed eggs to be fertilized ONLY by self pollination. C.) He analyzed his data mathematically. B.) He controlled variables by studying 1 or 2 traits at a time.arrow_forwardA plant that is homozygous for the recessive yellow pod color is crossed with a plant that is heterozygous. Which phenotype will appear MOST in the offspring? A. There will only be plants with green pods. B. There will be more plants with green pods. C. There will be more plants with yellow pods. D. Plants with yellow and green pods will appear in equal numbers.arrow_forward
- when else do we see a non-Mendelian pattern of inheritance? a)When genes are located on different chromosomes b)When genes are located far away on the same chromosome c)When genes are located close together on the same chromosomearrow_forwardin classical genetics what is the expected phenotypic ratio for progeny having a characterirstic such as plant height being controlled by a single gene? how about being controlled by two different genes?arrow_forwardMendel performed hybridizations by transferring pollen from the _______ of the male plant to the female ova. a. anther b. pistil c. stigma d. seedarrow_forward
- If you were to be conducting an experiment and crossed two plants, one with long stems and one with short stems and observed the characteristics of the offspring which had a mixture of both long and short stems on a single plant. What pattern of inheritance might you predict for this gene? Explain your answer.arrow_forwardA fungus with white spores cross fertilizes a fungus with black spores. If 10% of the progeny bear white spores while 90% of the progeny bear black spores, what must be true? A. The trait for spore color is determined by exactly one gene. B. The trait for spore color is determined by more than one gene. C. The allele for black spores is dominant over that for white spores. D. The allele for white spores is dominant over that for black spores.arrow_forwardWhat aspect of Mendel's background gave him the necessary tools to discover the laws of inheritance? A) He was a monk. B) He lived in Austria C) He had studied mathematics and probability D) He was a teacherE) He corresponded with Charles Darwinarrow_forward
- Why plant breeders intend to change the inheritance of crop plants? How plant breeders can change the heredity of crop plants? Explain your answer in briefly.arrow_forwardYou inspect an ear of corn and find the following number of kernels: 461 red and starch, 142 red and sweet, 156 yellow and starchy and 53 yellow and sweet. a. What genotype did the parent corn plants probably have? b. Support your answer by working out the cross with a Punnett squarearrow_forwardHibiscus plants have different varieties of flowers. In an instance, both the red and white flowers showed that they are incompletely dominant with each other. What will happen if these two varieties are bred? Explain. A) the flowers will have a pink color B) the flowers will grow more petals C) the flowers will have red and white patches D) the flowers will have a red colorarrow_forward
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