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4. In garden peas, purple flowers (P) are dominant to white (p) flowers, and tall plants (T) are dominant to short plants (t). If a purple tall plant (PpTt) is crossed with a white short plant (pptt), what is the resulting phenotypic ratio? a. 1:1:1:1 purple tall to purple short to white tall to white short b. 9:3:3:1 purple tall to purple short to white tall to white short c. 3:2 purple tall to purple short d. all purple tall 5. Which does not contribute to genetic variation? a. chromosome number b. meiosis C. crossing over d. random mating 6. Which concept is considered an exception to Mendel's law of independent assortment? a. crossing over b. polyploidy C. gene linkage d. law of segregation

4. In garden peas, purple flowers (P) are dominant to white (p) flowers, and tall plants (T) are dominant to short plants (t). If a purple tall plant (PpTt) is crossed with a white short plant (pptt), what is the resulting phenotypic ratio? a. 1:1:1:1 purple tall to purple short to white tall to white short b. 9:3:3:1 purple tall to purple short to white tall to white short c. 3:2 purple tall to purple short d. all purple tall 5. Which does not contribute to genetic variation? a. chromosome number b. meiosis C. crossing over d. random mating 6. Which concept is considered an exception to Mendel's law of independent assortment? a. crossing over b. polyploidy C. gene linkage d. law of segregation

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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plants (7) are dominant to short plants (t). If a purple tall plant (PpTt) is crossed 4. In garden peas, purple flowers (P) are dominant to white (p) flowers, and tall with a white short plant (pptt), what is the resulting phenotypic ratio? a. 1:1:1:1 purple tall to purple short to white tall to white short b. 9:3:3:1 purple tall to purple short to white tall to white short c. 3:2 purple tall to purple short d. all purple tall 5. Which does not contribute to genetic variation? a. chromosome number b. meiosis C. crossing over d. random mating 6. Which concept is considered an exception to Mendel's law of independent assortment? a. crossing over b. polyploidy c. gene linkage d. law of segregation Use the figure below to answer questions 7 and 8 7. Houseflies, as shown in the photo above, have six pairs of chromosomes. If two houseflies are crossed, how many possible types of fertilized eggs could result from the random lining up of the pairs? а. 256 b. 1024 C. 4096 d. 16,384
Transcribed Image Text:plants (7) are dominant to short plants (t). If a purple tall plant (PpTt) is crossed 4. In garden peas, purple flowers (P) are dominant to white (p) flowers, and tall with a white short plant (pptt), what is the resulting phenotypic ratio? a. 1:1:1:1 purple tall to purple short to white tall to white short b. 9:3:3:1 purple tall to purple short to white tall to white short c. 3:2 purple tall to purple short d. all purple tall 5. Which does not contribute to genetic variation? a. chromosome number b. meiosis C. crossing over d. random mating 6. Which concept is considered an exception to Mendel's law of independent assortment? a. crossing over b. polyploidy c. gene linkage d. law of segregation Use the figure below to answer questions 7 and 8 7. Houseflies, as shown in the photo above, have six pairs of chromosomes. If two houseflies are crossed, how many possible types of fertilized eggs could result from the random lining up of the pairs? а. 256 b. 1024 C. 4096 d. 16,384
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