Genetics and Inheritance Patterns
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Genetics and Inheritance Patterns

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Questions and Answers

What is the term used to describe an individual who is heterozygous for a particular trait?

Carrier

What type of inheritance pattern involves the transmission of a trait linked to the sex chromosomes?

Sex-linked recessive

What is the term for the process by which a new species forms?

Speciation

What is the result of a cross between two individuals who are heterozygous for a particular autosomal recessive trait?

<p>50% chance of expressing the recessive trait</p> Signup and view all the answers

Which type of evolution occurs when different species develop similar structures due to similar selective pressures?

<p>Convergent evolution</p> Signup and view all the answers

What is the term used to describe the physical expression of a trait, such as blue eyes or red hair?

<p>Phenotype</p> Signup and view all the answers

What is the term for the accumulation of genetic differences between two populations?

<p>Genetic divergence</p> Signup and view all the answers

What is the term used to describe the genetic transmission of a trait that is determined by multiple genes?

<p>Polygenic</p> Signup and view all the answers

What is the process by which genetic information is transcribed from DNA to RNA?

<p>Transcription</p> Signup and view all the answers

Which domain of life includes single-celled prokaryotes, including many extremophiles?

<p>Domain Archaea</p> Signup and view all the answers

What is the term for the reduction of a population size due to a random event, leading to a loss of genetic variation?

<p>Bottleneck</p> Signup and view all the answers

Which type of evolution occurs when different species evolve from a common ancestor, but in different directions?

<p>Divergent evolution</p> Signup and view all the answers

What is the characteristic of a sex-linked trait in a pedigree?

<p>Males are affected disproportionately</p> Signup and view all the answers

What is the result of codominance in a heterozygote?

<p>Both alleles are expressed equally</p> Signup and view all the answers

During DNA transcription, what is the main enzyme involved?

<p>RNA polymerase</p> Signup and view all the answers

Polygenic traits are characterized by?

<p>Multiple genes determining a single phenotype</p> Signup and view all the answers

What is the difference between autosomal and sex-linked traits?

<p>Autosomal traits are located on chromosomes 1-22, while sex-linked traits are on the X chromosome</p> Signup and view all the answers

What is the overall purpose of the process DNA >> RNA >> protein >> trait?

<p>To make a protein that determines the phenotype</p> Signup and view all the answers

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