Podcast
Questions and Answers
What term best describes the proportion of loci in a population that contain a particular allele?
What term best describes the proportion of loci in a population that contain a particular allele?
- Genotypic frequency
- Mutation rate
- Phenotypic frequency
- Allele frequency (correct)
Which phenomenon causes a change in gene frequency due to chance and cannot be controlled in direction?
Which phenomenon causes a change in gene frequency due to chance and cannot be controlled in direction?
- Migration
- Selection
- Mutation
- Genetic drift (correct)
How does the size of a population affect the amount of genetic drift?
How does the size of a population affect the amount of genetic drift?
- Larger populations lead to more genetic drift (correct)
- Smaller populations lead to more genetic drift
- Genetic drift only occurs in medium-sized populations
- Population size has no effect on genetic drift
What is the process of bringing new breeding stock into a population known as?
What is the process of bringing new breeding stock into a population known as?
Which method can be used to achieve direct changes in gene frequency for genetic improvement?
Which method can be used to achieve direct changes in gene frequency for genetic improvement?
What is the term used to describe the frequency with which a particular genotype occurs in a population?
What is the term used to describe the frequency with which a particular genotype occurs in a population?
What are the two different forms of haemoglobin in sheep?
What are the two different forms of haemoglobin in sheep?
What are the three different possible genotypes resulting from alleles A and B?
What are the three different possible genotypes resulting from alleles A and B?
What is the frequency of the A gene in the population?
What is the frequency of the A gene in the population?
Which mathematical model is used to calculate gene frequencies in real populations after one generation of random mating?
Which mathematical model is used to calculate gene frequencies in real populations after one generation of random mating?
What does random mating in a population for a certain character mean?
What does random mating in a population for a certain character mean?
Is the concept of random mating relevant in species where breeding is largely under human control?
Is the concept of random mating relevant in species where breeding is largely under human control?
What is the frequency of the white gene allele in the population?
What is the frequency of the white gene allele in the population?
How is the frequency of the black gene allele calculated in the given population?
How is the frequency of the black gene allele calculated in the given population?
Why can't frequencies of dominant and recessive alleles be determined through gene counting?
Why can't frequencies of dominant and recessive alleles be determined through gene counting?
What is the first step in calculating the frequencies of dominant and recessive alleles?
What is the first step in calculating the frequencies of dominant and recessive alleles?
Which formula is used to calculate the frequency of the white gene allele?
Which formula is used to calculate the frequency of the white gene allele?
In a population of 200 individuals, if 40 exhibit a recessive trait, what will be the decimal fraction representing this count?
In a population of 200 individuals, if 40 exhibit a recessive trait, what will be the decimal fraction representing this count?
What is the main difference between natural selection and artificial selection?
What is the main difference between natural selection and artificial selection?
What does the term 'gene pool' refer to in population genetics?
What does the term 'gene pool' refer to in population genetics?
Why can allele frequencies not always be directly measured in a population?
Why can allele frequencies not always be directly measured in a population?
How is population defined in the context of breeding and genetics?
How is population defined in the context of breeding and genetics?
What is the primary basis for natural selection?
What is the primary basis for natural selection?
What does population genetics specifically focus on?
What does population genetics specifically focus on?
What is the frequency of homozygotes in the ideal Hardy-Weinberg population if the relevant gene frequency is represented by p?
What is the frequency of homozygotes in the ideal Hardy-Weinberg population if the relevant gene frequency is represented by p?
In the Hardy-Weinberg equilibrium, what is the frequency of heterozygotes if the gene frequencies are represented by p and q?
In the Hardy-Weinberg equilibrium, what is the frequency of heterozygotes if the gene frequencies are represented by p and q?
What represents the sum of the frequencies of the two alleles in an ideal Hardy-Weinberg population?
What represents the sum of the frequencies of the two alleles in an ideal Hardy-Weinberg population?
What is the probability that a homozygously recessive individual will result in the Hardy-Weinberg equilibrium?
What is the probability that a homozygously recessive individual will result in the Hardy-Weinberg equilibrium?
If p represents the frequency of the dominant allele in gametes, what is the probability that both sperm and egg will contain this allele?
If p represents the frequency of the dominant allele in gametes, what is the probability that both sperm and egg will contain this allele?
In an ideal Hardy-Weinberg population, what represents the chance that gametes will carry unlike alleles?
In an ideal Hardy-Weinberg population, what represents the chance that gametes will carry unlike alleles?
