Genetics

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Across
  1. 4. Physical appearance
  2. 7. Two identical alleles for the genotype are known as __________
  3. 13. How many haploid daughter cells are formed during telophase 2?
  4. 16. Mendel's first law of _________ states that when gametes are formed, pairs of alleles for a specific trait will separate
  5. 18. At what stage do the chromosomes line up horizontally?
  6. 19. What are identical twins also known as?
  7. 20. what does DNA stand for?
  8. 21. A package of DNA that codes for protein is called a _________
  9. 22. At what stage does the cytoplasm divide?
  10. 23. Genetic make-up of the organism.
  11. 25. A form of asexual reproduction
  12. 27. What is are the repeating molecules that DNA is made of called?
  13. 30. At what stage of mitosis nuclear membrane reform?
  14. 31. A form of sexual reproduction
  15. 32. Adenine and Guanine are _________
Down
  1. 1. At what stage of mitosis do the sister chromatids split?
  2. 2. The study of heredity
  3. 3. The middle part of the chromosome that holds the sister chromatids
  4. 5. At what stage of mitosis does the nuclear membrane break down?
  5. 6. Crossing over happens at what stage of meiosis?
  6. 7. What is the twist component to the DNA called?
  7. 8. Guanine is complementary pair _________
  8. 9. What are fraternal twins also known as?
  9. 10. The traits that appear in the F1 generation are called ________ traits.
  10. 11. At what stage of mitosis do the chromosomes line up at the equator (centre)
  11. 12. who is known as the father of genetics?
  12. 14. Two different alleles for the genotype are known as _________
  13. 15. Thymine and Cytosine are _________
  14. 17. What holds the nitrogen bases together?
  15. 24. The traits that are hidden in the F1 generation are called _________ traits.
  16. 26. Each nuclei contains of the _________ number of chromosomes as the parent cell
  17. 28. How many chromosomes does the human have?
  18. 29. Adenine is complementary pair _________