3.1+3.2 science notecards

5 Written Questions

1. is the passing of physical characteristics from parent to offspring.
2. A trait is a characteristic.
3. Probability is a number the describes how likely an event will occur.
4. A hybrid organism has two different alleles for a trait.
5. The F2 generation were three tall and one short.

5 Multiple Choice Questions

1. The F1 generation were both tall.
   1. F2 generation
   2. Fertilization
   3. F1 generation
   4. Genetics
2. A purebred organism is the offspring of many generations.
   1. hybrid
   2. Heredity
   3. Alleles
   4. purebred
3. A phenotype is an organisms physical appearance or visible traits.
   1. genotype
   2. Heredity
   3. phenotype
   4. Genetics
4. Genetics are the study of heredity.
   1. Alleles
   2. Heredity
   3. genotype
   4. Genetics
5. A Punnett Square is a chart that shows all the possible combinations of alleles that can result from a genetic cross.
   1. Genetics
   2. A Punnett Square
   3. phenotype
   4. purebred

4 True/False Questions

1. Fertilization → Fertilization is when an organism begins to form when the egg and sperm join.

   True        False

2. Alleles → Alleles are the different letters used to represent an organisms trait.

   True        False

3. genotype → A genotype is an organisms genetic makeup or allele combinations.

   True        False

4. Codominance → Codominance is when the alleles are neither recessive or dominant.

   True        False