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Ninth Grade (Grade 9) DNA, RNA, and Genetics Questions

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Grade 9 :: DNA, RNA, and Genetics by JVance
Grade 9 :: DNA, RNA, and Genetics by trinilicy
Grade 9 :: DNA, RNA, and Genetics by akjioi
Grade 9 :: DNA, RNA, and Genetics by trinilicy
Grade 9 :: DNA, RNA, and Genetics by trinilicy
If a man has a sex linked disorder                                               .
  1. haf of his sons could have the disease
  2. all of his daughters will be at least carriers
  3. all of his sons will have the disease
  4. all of his daughters will have the disease
  5. none of the above
Grade 9 :: DNA, RNA, and Genetics by trinilicy
What can a karyotype can determine?
  1. the sex of the person
  2. the color of the eyes of the person
  3. if there is something wrog with the number or structure of the chromosomes
  4. all of the above
  5. a and c
Grade 9 :: DNA, RNA, and Genetics by trinilicy
When did Mendel did his investigations in genetics?
  1. with complete knowledge of DNA and chromosomes
  2. before DNA was discovered
  3. at the same time that Watson and Crick were working on their model
  4. using an electron microscope to see the genes he was working with
Grade 9 :: DNA, RNA, and Genetics by trinilicy
If a trait shows more than two phenotypes, that trait could be controlled by                                                                        .
  1. One gene with a dominant and recessive allele
  2. One gene with more than two alleles
  3. One gene wiht two alleles tha show incomplete dominance or co-dominance
  4. All of the above
  5. B or C
Grade 9 :: DNA, RNA, and Genetics by trinilicy
Grade 9 :: DNA, RNA, and Genetics by trinilicy
In order to produce a normal baby boy, an egg must be fertilized with a sperm containing which of these?
  1. An X chromosome
  2. An X and Y chromosome
  3. Two X chromosomes
  4. A Y chromosome
Grade 9 :: DNA, RNA, and Genetics by BioGenie11
Where does DNA replication occur?
  1. The Nucleus
  2. The Cell Membrane
  3. The Stem Cells
Grade 9 :: DNA, RNA, and Genetics by shanvc5
Which of the following is NOT a characteristic of DNA?
  1. deoxyribose sugar
  2. single stranded
  3. double stranded
  4. four nitrogenous bases
Grade 9 :: DNA, RNA, and Genetics by JVance
Grade 9 :: DNA, RNA, and Genetics by akjioi
Mutations could be?
  1. Neutral
  2. Beneficial
  3. Harmful
  4. All of the above
Grade 9 :: DNA, RNA, and Genetics by Tashalese
Grade 9 :: DNA, RNA, and Genetics by trinilicy
If child has a trait that neither of the parents have, then                                                              .
  1. the child must have inherited the trait from the grandparents
  2. the trait is recessive
  3. both parents are heterozygous for the trait
  4. B and C
Grade 9 :: DNA, RNA, and Genetics by trinilicy
If a woman is a carrier for a sex linked disease, statistically                                           .
  1. half of her sons could have the disease
  2. all of her daughters will be carriers
  3. all of her sons will be carriers
  4. all of her daughters will have the disease
  5. none of the above
Grade 9 :: DNA, RNA, and Genetics by trinilicy
Which of the following blood type could have a heterozygous genotype?
  1. A
  2. B
  3. AB
  4. O
  5. Ony A and B
  6. Ony A, B, and AB
  7. All blood types
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