Figure 11-4‚ page 311 in your textbook‚ determine the phenotypic ratio of the F2 generation. ½ Tall‚ ½ Short ¼ Tall‚ ¾ Short ¾ Tall‚ ¼ Short All are Tall Why did Gregor Mendel select the garden pea plant to do his study of heredity? The garden pea plants are small and easy to grow. A single pea plant can produce hundreds of offspring. In just one or two growing seasons‚ Mendel was able to carry out experiences that would have taken decades if studying humans. All of these are correct.
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how they worked. Mendel discovered the basic principles of heredity by breeding garden pees in carefully planned experiments. He chose to work with peas‚ because they come in several varieties and had many different traits about them. Mendel was focused on controlling mating between the plants (Campbell). Through the selective cross-breeding of common pea plants (Pisum sativum) over many generations‚ Mendel discovered that certain traits show up in offspring without any blending of parent characteristics
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distinct clusters which did not classify the accessions according to regions or Weredas‚ but according to three altitude classes. Key words: Characterization‚ Dekoko‚ Pisum sativum var. abyssinicum‚ accession/collection. INTRODUCTION The origin of field pea is
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seed begins to grow and sprout under certain growing conditions. The English pea‚ also known as the garden pea‚ is a member of the legume family and is known to grow roughly three to four inches long. Research shows that it only takes approximately 1 week for the seed to start to germinate. There are many things that can affect‚ the growth of the pea seed such as; temperature‚ moisture‚ planting depth and sunlight. The pea grows best in temperatures between 7˚C -14˚C‚ any lower or higher temperatures
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Seed Lab I. Purpose/Question: A. What is the variable you are testing? Radish seed vs. Pea seed B. Question 1: How does seed type affect when the seeds germinate? C. Question 2: How does seed type affect the length of the stem? II. Research: List two pieces of information you learned about the variable you are testing below. The radish stem was longer. Both seeds germinated equally fast. III. Hypothesis: Make these an “If-then” statement and do not use pronouns (I‚ we‚ he‚
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magnetic treatment on the spring wheat seeds also helped the acceleration of the process of germination. Another study by Es’kov and Rodionov (2009) studied about how the magnetic field affect the sprouting and absorption of nutrients of the seeds of peas and winter wheat. They investigated if the magnetic field around these plants will affect their germination and growth if they strengthen or weaken the magnetic field around it using permanent magnet. They put the unlikely poles of the magnet between
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genetics. He studied the pea plant and its inheritance of certain traits. 2. What contributions did he make to science? His study of genetics led to an increase interest in the study of genetics. His biggest contribution to the study of science was his discovery of particulate inheritance‚ dominant and recessive traits‚ genotype and phenotype‚ and the concept of heterozygous and homozygous. 3. Which species did he work with? Mendel worked with the simple pea pod plant in his 8 year
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experiment in a pea garden. He chooses this because peas can be easily manipulated when it comes to breeding experiments. Lastly the use of mathematical analysis as one of his approaches was very uncommon in his time (Pruitt & Underwood‚ 2006). This novel approach to describing how traits are inherited allowed him to control how the traits were received in the experiments. He was able to control which plants where homozygous and which were heterozygous. Also‚ by studying the pea plant he was able
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Cellular Respiration My hypothesis for the germinated pea experiment was that the level of aerobic respiration would increase as the temperature would increase. I also predicted that there would be an upper temperature limit. The experiment proved part of my hypothesis correct and part of it incorrect. I was correct in predicting that the rate would increase as the temperature increase‚ but I was incorrect in hypothesizing that there would be an upper limit. My hypothesis for the larvae experiment
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store glycogen instead of simple sugars. (5 marks) (c) Round seeds and wrinkled seeds are two phenotypes of garden pea. The wrinkled phenotype is attributed to the absence of a starch-forming enzyme in the seeds. In terms of water relations‚ explain why the lack of the starch-forming enzyme will lead to the wrinkled appearance of the garden pea seeds at maturity. (HINT: Garden pea seeds become dehydrated at maturity.) (4 marks)(Total: 20 marks) | 2. (a) (i) ● the concentrated sucrose
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