Free TEAS Test Exam Braindumps (page: 40)

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Which word describes the allele for green eyes?

B = alleles for brown eyes; g = alleles for green eyes

  1. homozygous
  2. dominant
  3. heterozygous
  4. recessive

Answer(s): D

Explanation:

Recessive alleles are represented by lower case letters, while dominant alleles are represented by upper case letters.





What is the possibility that the offspring produced will have brown eyes? B = alleles for brown eyes; g = alleles for green eyes

  1. 100%
  2. 75%
  3. 50%
  4. 25%

Answer(s): B

Explanation:

Dominant genes are always expressed when both alleles are dominant (BB) or when one is dominant and one is recessive (Bg).
In this case, 3/4 or 75% will have brown eyes.



What are groups of cells that perform the same function called?

  1. molecules
  2. organs
  3. plastids
  4. tissues

Answer(s): D

Explanation:

Groups of cells that perform the same function are called tissues.



When does the nuclear division of somatic cells take place during cellular reproduction?

  1. mitosis
  2. meiosis
  3. cytokinesis
  4. interphase

Answer(s): A

Explanation:

The nuclear division of somatic cells takes place during mitosis.






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