Podcast
Questions and Answers
Which theory states that organisms better suited for the environment will live longer and reproduce?
Which theory states that organisms better suited for the environment will live longer and reproduce?
- Lamarck's theory of evolution
- Darwin's theory of evolution by natural selection (correct)
- Mendel's theory of genetics
- Watson and Crick's theory of DNA
In genetics, what is the term used to describe a specific version of a gene?
In genetics, what is the term used to describe a specific version of a gene?
- Polygenic
- Allele (correct)
- Genotype
- Phenotype
What does the term 'Homozygous' mean in genetics?
What does the term 'Homozygous' mean in genetics?
- Inherited physical characteristics
- Two copies of the same allele (correct)
- Combination of different alleles
- Genetic makeup of an individual
What does 'Polygenic' refer to in genetics?
What does 'Polygenic' refer to in genetics?
Which term describes an individual's inherited physical characteristics influenced by both genetics and the environment?
Which term describes an individual's inherited physical characteristics influenced by both genetics and the environment?
What is the term used to describe a sudden and permanent change in a gene?
What is the term used to describe a sudden and permanent change in a gene?
In genetics, what is the term for the genetic makeup of an individual?
In genetics, what is the term for the genetic makeup of an individual?
'Bb' and 'BB' are examples of which genetic concepts?
'Bb' and 'BB' are examples of which genetic concepts?
'Range of reaction' in genetics refers to:
'Range of reaction' in genetics refers to:
'Environmental interaction' in genetics refers to:
'Environmental interaction' in genetics refers to:
Study Notes
Genetic Principles
- The theory of Survival of the Fittest states that organisms better suited to their environment will live longer and reproduce.
Genetic Terminology
- Allele is the term used to describe a specific version of a gene.
- Homozygous refers to an individual having two identical copies of a gene (one from each parent).
- Polygenic refers to a trait that is influenced by multiple genes.
Genetic Inheritance
- Phenotype describes an individual's inherited physical characteristics, influenced by both genetics and the environment.
- Genotype is the term used to describe the genetic makeup of an individual.
Genetic Changes
- Mutation is the term used to describe a sudden and permanent change in a gene.
Genetic Concepts
- Genotype notation (e.g., 'Bb' and 'BB') is used to represent the genetic makeup of an individual.
- Range of reaction refers to the potential range of phenotypes that can result from a given genotype.
- Environmental interaction refers to the influence of environmental factors on the expression of an individual's genotype.
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Description
Explore the key concepts of Charles Darwin's theory, which explains how organisms best suited for their environment are more likely to survive and reproduce. Discover how genes influence behavior and cognition patterns over time.
