Punnett Squares
A punnett square for TT and tt would result in these 4 genotypes.
What is Tt, Tt, Tt, Tt
Jimmy has a big nose. His genotype is GG. Sally also has a big nose. Her genotype is Gg. The possibilities for their children's genotypes are...
What is GG, GG, Gg, Gg
Hh, Zz, Xx. Each of these are _______________.
What is heterozygous?
Capital letters are always represented by the _____________ allele.
What is Dominant?
A Punnett square for Gg and Gg would result in these 4 genotypes...
What is GG, Gg, Gg, gg
Jared is homozygous for brown hair. His wife is homozygous for blonde hair. Brown hair is dominant to blonde hair. The possible genotypes for their children are...
What is Bb, Bb, Bb, Bb.
HH, TT, zz. Each of these are ______________________.
What is homozygous?
A _______________ trait is a trait that is always expressed or shown.
What is dominant?
Tall (T) is dominant over short (t). A Punnett square for someone who is heterozygous and for someone who is homozygous for short would result in these 4 possible offspring genotypes...
What is Tt, Tt, tt, tt
Mike is heterozygous for brown eyes. His wife has blue eyes. The percentage of their children that will most likely have brown eyes... The percentage that will most likely have blue eyes...
What is 50% brown and 50% blue eyes?
Jim and Jane are both heterozygous for being tall. The chances that they will have a short child are...
What is 25%?
A ______________ trait is a trait that is only expressed when both alleles are present.
What is recessive?
Brown hair (B) is dominant over blonde hair (b). The results of a punnett square are BB, BB, Bb, Bb. The phenotype percentages are?
What are 50% Brown hair and 50% Blonde hair?
Tim and Jenny both have dark hair, but each of them carry a recessive trait for light hair. The chances that their children will have dark hair... and the chances they will have light hair...
What is 75% dark hair and 25% light hair.
___________ are different versions of the same gene.
What are Alleles?
GG, Gg, Gg, gg. Green eyes are dominant to blue eyes. The percent of possible children that will have green eyes... The percent of possible children that will have blue eyes...
What is 75% Green eyes and 25% Blue eyes?
The tool we use today to predict the traits of offspring is ________________ .
What is the Punnett Square?
The four answers for a Punnett square are ZZ, Zz, Zz, zz. The genotype percentages are...
What are 25% ZZ, 50% Zz, and 25% zz?
James and his wife both have a widow's peak but one of their children has a straight hairline. The parent genotypes must be...
What is Bb (Heterozygous).
_____________ is a segment of DNA that codes for a specific trait.
What is a gene?
The name of the monk that studied pea plants in order to understand heredity and genetics...
Who is Gregor Mendel?