Biology 3

A phenotype is the...

• letter combination
• dominant gene
• recessive gene
• physical appearance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following terms refers to the different possibilities of a gene?

• chromosome
• DNA
• Punnett Squares
• allele

Tags

NGSS.HS-LS3-2

Which of the following genotypes is homozygous recessive?

• RR
• Rr
• rr
• None of the Above

What does a Punnett Square do?

• tell you exactly what your offspring will look like
• increase the chance you pass on recessive traits
• predict genotypes and phenotypes in offspring
• have no purpose but for Taylor to give us extra assignments

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

What is the genotype for this organism?
(E= 3 eyes, e= 1 eye)

• EE
• Ee
• ee
• EE or Ee

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What do mutations change?

• DNA
• Chromosomes
• Genes

Tags

NGSS.HS-LS3-2

An organism gets to choose if the mutation is helpful, harmful or neutral.

• True
• False

Over the past few thousand years, humans have helped to bring about changes in many plant and animal species in order to make them more useful. Examples include strong workhorses, hunting dogs, large-eared corn, beautiful flower varieties using the process of

• Mitosis
• Natural selection
• Cloning
• Selective breeding

For those individuals who have an allergic reaction to cats, a company in Los Angeles promises relief. They offer a new line of cats genetically modified to eliminate or reduce their allergy-causing properties. The development of this new line of cats most likely involved

• manipulating the DNA of cats
• changing the behavior of cats
• altering the reproductive rate of cats
• using natural selection to produce a new variety of cat

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In an individual with sickle-cell anemia, which cells are abnormally shaped?

• Bone cells
• Skin cells
• Red blood cells
• White blood cells

Tags

NGSS.HS-LS3-2