Biology Genetics Test Review
1. What is a genotype? - Answer: The genotype refers to the specific genetic composition of an organism.
2. How is phenotype defined? - Answer: Phenotype describes the observable characteristics or traits of an organism.
3. What does allele mean? - Answer: A...
- Answer: The genotype refers to the specific genetic composition of an organism.
2. How is phenotype defined?
- Answer: Phenotype describes the observable characteristics or traits of an organism.
3. What does allele mean?
- Answer: An allele is a variant form of a gene found within the DNA.
4. What are genes?
- Answer: Genes serve as the fundamental units of hereditary information in DNA.
5. What does it mean to be homozygous?
- Answer: An individual is considered homozygous when they have identical alleles for a particular
gene.
6. What is heterozygous?
- Answer: Heterozygous refers to having two different alleles for a specific trait.
7. What characterizes a dominant trait?
- Answer: Dominant traits will always be expressed in the phenotype whenever they are part of the
genotype.
8. How is a recessive trait characterized?
- Answer: Recessive traits will appear in the phenotype only when no dominant traits are present in
the genotype.
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