Population Genetics

In humans, freckles (F) on the skin are dominant to no freckles (f).  If a heterozygous parent and a recessive parent conceive, what is the chances of having a child with NO FRECKLES?

• 0%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In a population of bees, long wings (L) are dominant over short wings (l).  Bees with long wings are ...

• heterozygous only (Ll)

• homozygous 

  dominant only (LL)

• heterozygous or 

  homozygous 

  dominant (LL or Ll)

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?

• 0%

• 25%

• 50%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

This is an example of ___________.

•  Incomplete Dominance

•  Codominance

Tags

NGSS.HS-LS3-2

In the problem shown, what must the genotype of the missing parent be?

• BB

• Bb

• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The different versions of a gene or one of a pair of genes

• Dominant

• Recessive

• Allele

• Phenotype

The actual gene makeup of an organism ( Tt)

• Genotype

• Phenotype

• Trait

• Characteristic

An organism with two alleles that are the same (TT or tt)

• Homozygous

• Heterozygous

• Trait

• Allele

He is known as the "Father of Genetics" and used pea plants because they reproduce quickly.

• Robert Hooke

• Gregor Mendel

• Theodor Swann

• Matthias Schleiden

The trait represented by a capital letter

• Recessive

• Dominant

• Phenotype

• Incomplete dominance