Genetics - Amanda Thiessen
Storyboard Text
- 2. A genotype containing two dominant alleles for a gene is known as homozygous dominant.
- 1. The Punnett square is a square diagram used to predict genotypes in a specific cross or breeding experiment.
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- Can anyone tell me what a Punnett square and a Homozygous dominanat?
- 3. Heterozygous is having two distinct alleles of a gene or a group of genes.
- What is heterozygous?
- 4. The genotype of an organism having two recessive alleles is homozygous recessive.
- What is homozygous recessive?
- 5. Genotype is the genetic constitution of an individual organism.
- After that, who can tell me what genotype is?
- What is phenotype?
- 6. The phenotype is the set of observable characteristics or traits of an organism.
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- 7. An allele is one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
- 8. A Pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors from one generation to the next
- Yes.
- Okay let's practice for our test. What is a trait?
- 9. A trait is a distinguishing quality or characteristic, typically one belonging to a person.
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