Podcast
Questions and Answers
In a scenario where a heterozygous tall pea plant (Tt) is crossed with a homozygous recessive short pea plant (tt), what percentage of the offspring would you expect to be short?
In a scenario where a heterozygous tall pea plant (Tt) is crossed with a homozygous recessive short pea plant (tt), what percentage of the offspring would you expect to be short?
- 25%
- 50% (correct)
- 100%
- 75%
Which of the following is the most accurate description of the role of tRNA in gene expression?
Which of the following is the most accurate description of the role of tRNA in gene expression?
- It carries the genetic code from the nucleus to the ribosomes.
- It modifies and packages proteins for transport within the cell.
- It synthesizes RNA from a DNA template during transcription.
- It brings amino acids to the ribosome during translation. (correct)
A mutation in a somatic cell is LEAST likely to result in which of the following?
A mutation in a somatic cell is LEAST likely to result in which of the following?
- The cell undergoing apoptosis (programmed cell death).
- The development of cancer.
- The mutation being passed on to the individual's offspring. (correct)
- A change in the individual's phenotype.
Which of the following describes the most likely effect of a frameshift mutation?
Which of the following describes the most likely effect of a frameshift mutation?
In what scenario does allopatric speciation most commonly occur?
In what scenario does allopatric speciation most commonly occur?
Which of the following technologies would be most appropriate for determining the evolutionary relationships between several closely related bacterial species?
Which of the following technologies would be most appropriate for determining the evolutionary relationships between several closely related bacterial species?
What is the role of DNA ligase in recombinant DNA technology?
What is the role of DNA ligase in recombinant DNA technology?
What is the most direct purpose of using a Punnett square in genetic studies?
What is the most direct purpose of using a Punnett square in genetic studies?
During transcription, which enzyme is directly responsible for synthesizing RNA from a DNA template?
During transcription, which enzyme is directly responsible for synthesizing RNA from a DNA template?
Which process contributes most significantly to genetic variation within a population?
Which process contributes most significantly to genetic variation within a population?
Flashcards
Genetics
Genetics
The science of heredity and variation in living organisms.
Genes
Genes
Basic units of heredity, composed of DNA.
DNA
DNA
A double-stranded molecule containing genetic instructions.
Genome
Genome
The complete set of genetic material in an organism.
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Gene Expression
Gene Expression
Process where information in a gene synthesizes a functional product.
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Central Dogma
Central Dogma
DNA → RNA → Protein, flow of genetic information.
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Transcription
Transcription
Synthesizing RNA from a DNA template.
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Translation
Translation
Synthesizing a protein from an RNA template.
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Mutation
Mutation
Change in the DNA sequence.
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Genetic Variation
Genetic Variation
Differences in DNA sequences among individuals.
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