Question
FERTILIZATION AND DEILDU Chapter Review 1. Sperms and eggs are examples of C. blastomeres A. sex...
FERTILIZATION AND DEILDU Chapter Review 1. Sperms and eggs are examples of C. blastomeres A. sex organs B.gametes D. zygotes 2. A normal sperm has set(s) of chromosomes. A. 4 c. 2 B. D. 46 1 3. A fertilized egg contains set(s) of chromosomes. c. 2 A. 4 D. 46 B. 1 4. Which one of the following processes marks the beginning of a new life! C. Growth A Fertilization D. Gastrulation B. Specialization Which one of the following terms refers to a double-layered developmental stage of a sea urchin? C. Zygote A. Blastula D. Gastrula B. Morula 6. Which one of the following terms refers to a solid ball of cells? A. Blastula C. Zygote B. Morula D. Gastrula 7. Which one of the following statements describes the function of a fertilization membrane? A. It protects a sperm from entry of microorganisms. B. It protects an egg from entry of microorganisms. C. It prevents sperm from entering a fertilized egg. D. It prevents abnormal sperm from entering an unfertilized egg.
Answers
Answer 1:correct option B:
Sperms and eggs are example of gametes.
Answer2:correct option B:
A normal sperm has 1 set of chromosome.(haploid)
Answer 3:correct option C:
fertilized egg contains 2 sets of chromosomes. (Diploid)
Answer 4: correct option A
Fertilization is the process which marks the beginning of new life.
Answer 5:correct option A
Blastula refers to the double layer developmental stage of sea urchin.
Answer6:correct option B
Morula is the solid mass of cells.
Answer 7:correct option C
Fertilization membrane prevents the entry of sperm in fertilized egg.
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