The product rule states that the probability of two or more independent events taking place is equal to the product of their individual probabilities. ... On the other hand, the sum rule states that the probability of two or more mutually exclusive events occurring is equal to the sum of their individual probabilities .
What is the sum rule in genetics?
The sum rule states that the probability of either of two mutually exclusive events occurring is the sum of their individual probabilities . Now we can consider a genetic example.
What is the sum rule in biology?
The probability that one or the other of two mutually exclusive events will occur is the sum of their individual probabilities . The rule that states that the probability of the occurrence of mutually exclusive events is the sum of the probabilities of the individual events. Tags: Molecular Biology.
What is product rule in biology?
The probability of two independent events occurring simultaneously is the product of the individual probabilities . The rule stating that the probability of the occurrence of independent events is the product of their separate probabilities. Return to Search Page.
What is the addition rule biology?
Addition Rule
This rule means the probability that either one or the other ‘mutually exclusive' events will occur equals the sum of probability that the individual event will occur . The rule of addition applies only to mutually exclusive events.
How many possible genotypes are there?
A description of the pair of alleles in our DNA is called the genotype. Since there are three different alleles, there are a total of six different genotypes at the human ABO genetic locus. The different possible genotypes are AA, AO, BB, BO, AB, and OO. How are blood types related to the six genotypes?
What is the law of Independence?
The Law of Independent Assortment states that alleles for separate traits are passed independently of one another . That is, the biological selection of an allele for one trait has nothing to do with the selection of an allele for any other trait. Mendel found support for this law in his dihybrid cross experiments.
What is hereditary in science?
heredity, the sum of all biological processes by which particular characteristics are transmitted from parents to their offspring . ... The set of genes that an offspring inherits from both parents, a combination of the genetic material of each, is called the organism's genotype.
What is meant by an allele?
An allele is a variant form of a gene . Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. ... Alleles contribute to the organism's phenotype, which is the outward appearance of the organism. Some alleles are dominant or recessive.
What is the term heterozygous mean?
(HEH-teh-roh-ZY-gus JEE-noh-tipe) The presence of two different alleles at a particular gene locus . A heterozygous genotype may include one normal allele and one mutated allele or two different mutated alleles (compound heterozygote).
What is the product rule how is it used in genetics?
One probability rule that's very useful in genetics is the product rule, which states that the probability of two (or more) independent events occurring together can be calculated by multiplying the individual probabilities of the events.
How do you identify a pedigree?
- Determine whether the trait is dominant or recessive. If the trait is dominant, one of the parents must have the trait. ...
- Determine if the chart shows an autosomal or sex-linked (usually X-linked) trait. For example, in X-linked recessive traits, males are much more commonly affected than females.
What does it mean to do a test cross?
In its simplest form, a test cross is an experimental cross of an individual organism of dominant phenotype but unknown genotype and an organism with a homozygous recessive genotype (and phenotype).
