Genetics Review

  1. _________________________ refers to physical characteristics that are studied in genetics.
  2. Factors that control traits are called ____________________________

3  The different forms of a gene are called  _________________________

4  Scientists call an organism that has two different alleles for a trait a   ______________________

  1. To a geneticist, the notation rr means two __________________________ alleles

6  To a geneticist, the notation Rr means one ____________________ and one ____________ allele

7  __________________________is the likelihood that a particular event will occur.

8  If a homozygous Red Feathered Cardinal (RR) is crossed with a homozygous Brown Feathered Cardinal (rr), what is the probability that an offspring will be a Red Feathered Cardinal?  __________%

  1. An organism's physical appearance is its _____________________________.
  2. An organism's genetic makeup is its _______________________________.
  3. An organism that has two identical alleles for a trait is ____________________________.
  4. A heterozygous organism has two ______________________________ alleles for a trait.
  5. Codominance means the alleles are _______________________ dominant nor recessive.
  6. The chromosome theory of inheritance states _______________________ are carried from parents to offspring on chromosomes.
  7. Any change in a gene or chromosome results in a ______________________________.
  8. A mutation is helpful to an organism if it increases the organism's chances for __________ and ___________.

 

Genetics Review

  1. _________________________ refers to physical characteristics that are studied in genetics.
  2. Factors that control traits are called ____________________________

3  The different forms of a gene are called  _________________________

4  Scientists call an organism that has two different alleles for a trait a   ______________________

  1. To a geneticist, the notation rr means two __________________________ alleles

6  To a geneticist, the notation Rr means one ____________________ and one ____________ allele

7  __________________________is the likelihood that a particular event will occur.

8  If a homozygous Red Feathered Cardinal (RR) is crossed with a homozygous Brown Feathered Cardinal (rr), what is the probability that an offspring will be a Red Feathered Cardinal?  __________%

  1. An organism's physical appearance is its _____________________________.
  2. An organism's genetic makeup is its _______________________________.
  3. An organism that has two identical alleles for a trait is ____________________________.
  4. A heterozygous organism has two ______________________________ alleles for a trait.
  5. Codominance means the alleles are _______________________ dominant nor recessive.
  6. The chromosome theory of inheritance states _______________________ are carried from parents to offspring on chromosomes.
  7. Any change in a gene or chromosome results in a ______________________________.
  8. A mutation is helpful to an organism if it increases the organism's chances for __________ and ___________.

 

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