Question | Answer |
What do we call the different forms of a gene? | Alleles |
The likelihood that a particular event will occur is called... | Probability |
What two names do we give to an organism with two identical alleles for a trait? | Homozygous or Purebred |
Genes are carried from parent to offspring on what structures? | Chromosomes |
What do genes control? | Traits |
What is a Punnett square used for? | To find out the outcome of your offspring's physical and genetic makeup. |
What do we call the scientific study of heredity? | Genetics |
What do we call the gene makeup of an organism? | Genotype |
An organism that has two different alleles for a specific trait is known as either a... | heterozygous or hybrid. |
Who was known as "The Father of Genetics?" | Gregor Mandel |
In alleles that are codominant,what happens? | Both alleles are shown. |
An organism's app appearance is considered it's... | phenotype. |
If you cross two heterozygous parents for a specific trait, what percentage of offspring will express the dominant trait and recessive trait? | Dominant: 75% Recessive trait: 25% |
A section of DNA has following base sequence: TATGCGCCTAA. What would the corresponding DNA base sequence be? | ATACGCGGATT |
If you cross two homozygous parents for a specific trait, one dominant and one recessive, what percentage of the children would express the domminant trait? | 100% |
In what part of a cell can you find the chromosomes? | Nucleus |
Name the four nitrogen bases of a DNA molecule? | Guanine,Thymine, Adenine,& Cytosine. |
What two scientists are credited with discovering the structure of DNA? | James Watson and Francis Crick |
What is the shape of a DNA molecule? | A double helix. |