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Punnett Squares Formative

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Last updated 2 months ago
5 questions
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Question 1
1.
Draggable itemarrow_right_altCorresponding Item
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Question 2
2.

Question 3
3.

Question 4
4.

Question 5
5.

Homozygous
the form of a gene that can mask the other
Dominant
the form of a gene that can be covered up when present with another form
Heterozygous
the way an organism looks
Recessive
the genetic make up of an individual
Phenotype
having two of the SAME version of a gene (dominant or recessive)
Genotype
having two DIFFERENT versions of a gene
In humans the ability to taste Phenylthiocarbamide (PTC) is dominant. “Tasters” (TT) or (Tt) taste an extremely bitter taste from PTC, while “non-tasters” (tt) do not taste anything.

What are the genotypes of Mr. and Mrs. Jones if they can taste PTC but have a child who is a non-taster?
Tt
tt
There is not enough information to determine this
TT
In horses, having black hair is dominant (B) to having chesnut colored hair (b).



If a homozygous dominant horse is crossed with a chesnut colored horse, then what are the chances they will have a foal (a baby horse) with chesnut colored hair?
0%
25%
50%
75%
100%
What would the phenotype of the foal produced in the previous question be?
chesnut
BB
Bb
black
bb
In pigs, having erect ears that stick up (E) is dominant to having droopy ears (e).


If a pig has droopy ears what must its genotype be?
EE
Ee
ee
can't be determined