What are linus and lucy genotypes

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PART A: Answer each of the following questions in one or two paragraphs.

1. Describe the five types of prezygotic reproductive barriers. Give a brief description of each.

2. Ralph wants to breed two of his prize bulldogs. For the dominant alleles, he has selected small ears (E) and a curly tail (T). Linus, the male bulldog, it homozygous dominant for both traits, Lucy, the female, is heterozygous dominant for both traits.

a. What are Linus's and Lucy's genotypes?

b. What percent of their pups will have small ears and curly tails?

c. What percent will have large ears (e) and straight tails (t)?

3. Beginning with fertilization, describe the main stages of animal development, Give a brief description of each stage.

PART B: Answer each of the following questions in one to four sentences.

1. From G1 through M, what are the stages of the cell cycle, and what is the main occurrence in each stage?

2. Briefly describe the three-domain system of classification.

3. Explain the difference between e scientific theories and a scientific law.

4. Name the three types of RNA and describe their functions.

5. What are the functions of the three specialized tissues in plants? In which of these tissues does photo-synthesis occur?

6. Name the functions of four of the six types of membrane proteins.

7. Briefly explain the functions of sensory neurons, interneurons, and motor neurons in the nervous system.

8. Explain the differences between open and closed circulatory systems.

9. Explain the difference between ionic bonds and covalent bonds.

10. Explain why sex-linked traits are more common in boys than girls.

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This assignment is prepared in Microsoft word document. This assignment is concerned with the numerical questions of the doubles hybrid cross and Mendel's law. This assignment also describes various stages of cell cycle, events occurs during the stages, and their sequence. It is an important assignment for a genetics and cell biology student.

Reference no: EM131332407

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