Gene Variation
Dori Fousek
Essential Knowledge
Student Language
Academic vocab
v Allele- Form of a gene for each variation pf a trait of an organism.
v Genotype- Combination of genes in organism.
v Hybrid- Offspring formed by parents having different forms of a specific.
v Trait- Characteristic that is inherited, can be either dominant or recessive.
v Heredity- Passing on characteristics from parent to offspring.
v Phenotype- Outward appearance of an organism regardless of genes.
Importance of vocab words
Activity to learn objective
Multiple Choice Question
Which of the following in example of genetic variation?
A. Two children have different eye colors
B. One person is older then another
C. One person has a scar, but other does not
D. Rose eats meat while Autumn is a vegetarian
E. None of the above
The answer is A, this is because eye color is a trait inherited by parents to offspring, while the other answer choices where not.
Free Response
If the mother of the family has blonde hair and the father has brown hair what is the probability that if they have three children they will all be born with blonde hair?
Blonde-BB
Brown-bb
This question is only able to be answered with a Punnett square. These squares are able to see the gene variation and gene probability of the children and the relationship between the parents and there offspring. All the heterologous allies would all be dominant for the gene variation.