Phenotypes & Genotypes
What is the genotype of a pure Tall when tall is dominant over short.
What is TT?
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?
___________ is the passing down of traits from one generation to the next.
What is Heredity?
Hh, Zz, Xx. Each of these are _______________.
What is heterozygous or hybrid?
The method we use today to predict the traits of offspring is ________________ .
What is the Punnett Square.
What is the phenotype of Tt, when tall is dominant over short?
What is Tall?
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.
Two different words that represent a pair of alleles that are the same are called __________________.
What is homozygous or pure?
HH, TT, zz. Each of these are ______________________.
What is homozygous or pure?
Capital letters are always represented by the _____________ allele, not the recessive allele.
What is dominant.
What is the genotype for a homozygous short, when tall is dominant over short?
What is tt?
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?
Two different words that represent a pair of alleles that are different are called ____________________.
What is heterozygous or hybrid?
Jim and Jane are both heterozygous for being tall. What are the chances that they will have a short child?
What is 25% chance.
A _______________ trait is a trait that is expressed or shown.
What is dominant.
What is the phenotype for a heterozygous Tall, when tall is dominant over short?
What is Tall?
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.
___________________ describes a pair of alleles and represents the gene combination by letters such as Tt or TT or tt.
What is genotype?
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%.
A ______________ trait is a trait that is hidden by the dominant gene.
What is recessive.
What are the genotypes of two parents when one parent is pure tall and one parent is hybrid tall?
What is TT and Tt?
James is homozygous tall. Tall is dominant over short. His wife is short. What percentage of their children will be short?
What is 0%.
__________________ is simply the physical appearance of the offspring. It is how the trait is expressed (ie. dark hair, tall, big lips, etc.)
What is phenotype?
What would the genotypes of the parents be with the following results: The children have a 50% chance of having straight teeth and a 50% chance of having crooked teeth.
What is....one parent would be hybrid straight (Tt) and the other parent would be pure recessive (tt)?
Your genetic code is found on your _______ which makes up your chromosomes.
What is DNA?