U7T3 – Hardy Weinberg & Allele Frequency

What is the definition of a species?

A group of organisms of the same species living in a particular area at a particular time' is the definition for what?

All the alleles of every gene in a breeding population' is the definition for what?

The Hardy Weinberg principle only applies to a population that is or has ____.

The Hardy Weinberg principle only applies to a population that is or has____.

What is the formula for the Hardy Weinberg equation?

Which part of the Hardy Weinberg equation represents the homozygous recessive individuals?

What does 'p' represent ?

What represents the total allele frequency in a population?

Drosophila is a type of fruit fly which is used in many genetic experiments. It has two alleles for eye colour : Red ( R) and White (r). If 0.8 of the alleles are red, how many are white?

Drosophila fruit flies can have either vestigial wings (w)or wild-type wings (W). If 20% of the population have vestigial wings, what proportion of the population are homozygous dominant?

An Ethiopian breed of cattle has low whey protein in its milk. This is controlled by a dominant allele (M). If 6 % of the herd have low whey protein, what proportion are heterozygotes?

The probability of an individual having Cyctic Fibrosis is about 1 in 2500 in the UK. What proportion of the population will be carriers?

The probability of an individual having Cystic Fibrosis is about 1 in 2500 in the UK. How many individuals will suffer with Cystic Fibrosis in a city of 1.2 million people in it's population?

In peppered moths, having light coloured wings is dominant. In Sheffield (an industrial northern town in the UK) a sample of moths was taken. The numbers collected were 73 light coloured , and 326 dark coloured. What proportion of all alleles are for the dark one?

In peppered moths, having light coloured wings is dominant. In Sheffield (an industrial northern town in the UK) a sample of moths was taken. The numbers collected were 73 light coloured , and 326 dark coloured. How many are heterozygotes?

In peppered moths, having light coloured wings is dominant. In Sheffield (an industrial northern town in the UK) a sample of moths was taken. The numbers collected were 73 light coloured , and 326 dark coloured. What is the allele frequency ( as a decimal) of the light allele in the population?

Tay Sachs is a recessive disease which leads to the build up of certain lipids which eventually become toxic. The Cajun community in the USA has an incidence of about 1 in every 3,500 births. What is the allele frequency of the normal healthy genes?

Tay Sachs is a recessive disease which leads to the build up of certain lipids which eventually become toxic. The Cajun community in the USA has an incidence of about 1 in every 3,500 births. What is the number of sufferers of Tay Sachs in a Cajun population of 100,000 people?

Tay Sachs is a recessive disease which leads to the build up of certain lipids which eventually become toxic. The Cajun community in the USA has an incidence of about 1 in every 3,500 births. What is the number of homozygous dominant healthy individuals in a Cajun population of 100,000 people?