Punnett Squares
Word Problems
Vocabulary
Random
Class Notes
100
Complete a punnet square for TT and tt.
What is Tt, Tt, Tt, Tt
100

Jimmy has big eyes. His genotype is GG. Sally also has big eyes. Her genotype is Gg. What are the possibilities for their children's genotypes?

What is GG, GG, Gg, Gg

100

___________ a pair of genes that make of the genetic trait.

What is Allele.

100
Hh, Zz, Xx. Each of these are _______________.
What is heterozygous.
100
The method we use today to predict the traits of offspring is ________________ .
What is the Punnett Square.
200
Complete a Punnett square for Gg and Gg.
What is GG, Gg, Gg, gg
200
Mike is heterozygous for brown eyes. His wife has blue eyes. What percentage of their children will most likely have brown eyes? What percentage will most likely have blue eyes?
What is 50% brown and 50% blue eyes?
200
A pair of alleles that are the same are called __________________.
What is homozygous.
200
HH, TT, zz. Each of these are ______________________.
What is homozygous.
200

A _______________ trait is a trait that is expressed or shown.

What is dominant.

300
Complete a Punnett square someone who is heterozygous for tall and for someone who is homozygous for short.
What is Tt, Tt, tt, tt
300
Tim and Jenny both have dark skin, but each of them carry a recessive trait for light skin. What are the chances that their children will have dark skin? Light skin?
What is 75% dark skin and 25% light skin.
300
A pair of alleles that are different are called ____________________.
What is heterozygous.
300
Jim and Jane are both heterozygous for being tall. What are the chances that they will have a short child?
What is 25% chance.
300
A ______________ trait is a trait that is hidden by the dominant gene.
What is recessive.
400
Complete a Punnett square for someone who is Homozygous for green eyes and someone who has blue eyes. Green is dominant over blue.
What is Gg, Gg, Gg, Gg.
400
___________________ describes a pair of alleles and is represented by letters such as Tt or TT.
What is genotype.
400
GG, Gg, Gg, gg. Green eyes are dominant to blue eyes. What percent have green eyes? What percent have blue eyes?
What is 75% and 25%.
500
Jared is homozygous for brown hair. His wife is homozygous for blonde hair. Brown hair is dominant to blonde hair. What are the possible genotypes for their children?
What is Bb, Bb, Bb, Bb.
500
__________________ is simply the expression of the genotype. It is how the trait is expressed (ie. dark hair, tall, big lips, etc.)
What is phenotype.
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