Mendelian, Complete/Incomplete genetics

Alleles (example: H or h) are alternative forms of a gene. How many alleles does a baby guinea pig inherit from their mother?

• 1

• 2

• 23

• whichever one is dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In humans, blue eyes are a recessive trait. What genotype would a blue eyed child have?

• BB

• Bb

• bb

• None of the above, brown eyes are dominant.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

In pea plants, tall (T) plant alleles are dominant to short (t) plant alleles. If two tall plants (each with the genotype Tt) are crossed, what is the probability that the cross would result in a short pea plant?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

Different variations of a gene are called?

• Alleles
• DNA
• Chromosome
• Gene

Tags

NGSS.HS-LS3-2

The physical expression of a trait is called the ...

• genotype

• phenotype

Genotype: TT

• homozygous dominant

• homozygous recessive

• heterozygous dominant

Genotype: Aa

• homozygous dominant

• homozygous recessive

• heterozygous dominant

This is an example of ___________?

• Incomplete dominance
• Co-Dominance

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross a red flower with a speckled flower. What is the phenotypic ratio?

• 2 red, 2 speckled

• 2 red, 2 blue

• 2 blue, 2 speckled

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

this image is an example of

• codominance
• dominance
• incomplete dominance