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Charles Darwin's Theory of Evolution by Natural Selection

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Charles Darwin's Theory of Evolution by Natural Selection

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Questions and Answers

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?

Polygenic

Allele (correct)

Genotype

Phenotype

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?

Controlled by more than one gene Signup and view all the answers

Which term describes an individual's inherited physical characteristics influenced by both genetics and the environment?

Phenotype Signup and view all the answers

What is the term used to describe a sudden and permanent change in a gene?

Mutation Signup and view all the answers

In genetics, what is the term for the genetic makeup of an individual?

Genotype Signup and view all the answers

'Bb' and 'BB' are examples of which genetic concepts?

Heterozygous genotypes Signup and view all the answers

'Range of reaction' in genetics refers to:

'Genes' establishing boundaries for potential interaction with the environment Signup and view all the answers

'Environmental interaction' in genetics refers to:

'Unique interaction between genetic makeup and environment' Signup and view all the answers

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.