Punnett Squares
Word Problems
Vocabulary
Random
Misc
100
Complete a punnet square for TT and tt.
What is Tt, Tt, Tt, Tt
100
Jimmy has a big nose. His genotype is GG. Sally also has a big nose. Her genotype is Gg. What are the possibilities for their children's genotypes?
What is GG, GG, Gg, Gg
100
___________ is the passing down of traits from one generation to the next.
What is Heredity.
100
Hh, Zz, Xx. Each of these are _______________.
What is heterozygous.
100
The chart that 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
Jared is homozygous for brown hair. His wife is homozygous for blonde hair. Brown hair (B) is dominant to blonde hair (b). What are the possible genotypes for their children?
What is Bb, Bb, Bb, Bb.
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
Capital letters are always represented by the _____________ allele, not the recessive allele.
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
Mike is heterozygous for brown eyes. His wife has blue eyes. What is the probability of their children having brown eyes? What is the probability of their children having blue eyes?
What is 50% brown and 50% blue eyes?
300
A pair of alleles that are different are called ____________________.
What is heterozygous.
300
Jim and Jane are both heterozygous for being tall. What is the probability that they will have a short child?
What is 25% chance.
300
A _______________ trait is a trait that is expressed or shown.
What is dominant.
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
Tim and Jenny both are carriers for sickle cell. What are the chances that their children will be a have sickle cell? Not have sickle cell?
What is 75% not have sickle cell and 25% sickle cell.
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%.
400
Create a Punnett square for a cross between 2 pink (RW) flowers. Give the genotypic and phenotypic ratios.
1 RR: 2 RW: 1 WW
1 red: 2 pink: 1 white
500
The four answers for a Punnett square are Zz, Zz, zz, zz. What are the genotypes for the parents?
What is Zz and zz.
500
James has brown hair. His wife also has brown hair, but one of their children has blonde hair. What are the genotypes of the parents?
What is 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.
500
Write a word problem that will have the following results: The children have a 50% chance of having straight teeth and a 50% chance of having crooked teeth. (Straight teeth is dominant to crooked teeth)
What is....
One parent is heterozygous for straight teeth and the other parent is homozygous for crooked teeth.
500
Fill in the codominant punnett square.
Give the genotypic ratio.
4 CRCW