Dominant & Recessive Trait

B=brown eye gene

b= blue eye gene, what is true?

• brown is dominant

• brown is recessive

For every trait an organism inherits

• 1 gene- 1 from mom

• 2 genes-1 from mom, 1 from dad

• 3 genes 1 from dad, 1 from mom, 1 from Elmo

2 humans reproducing will result in how many gene combinations for each trait?

• 1

• 3

• 4

For every trait, 2 genes are inherited, 1 from mom and 1 from dad

• true

• false

A recessive trait is

• one that will be hidden if paired with a dominant gene

• will hide a dominant gene

A dominant trait is a trait that is

• stronger and will hide a recessive trait if paired with one

• weaker and will be overpowered by a recessive trait

T= tongue roller

t= non tongue roller, what is true?

• tongue rolling is a dominant trait

• tongue rolling is a recessive trait

D= dimples

d= no dimples what is true?

• dimples are a dominant trait

• dimples are a recessive trait

H= pointed hair line (widow's peak)

h= straight hair line

what is true?

• straight hair line is a dominant trait

• straight hair line is a recessive trait

W(uppercase)= writes with right hand

w (lowercase)= writes with left hand

what is true?

• left hand writing is a dominant trait

• left hand writing is a recessive trait