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What does condominance mean?
Codominance is a genetic trait where two different alleles for a gene are both expressed equally in the phenotype of a heterozygote individual. This results in a phenotype that shows characteristics of both alleles instead of a blending of traits. An example is the AB blood type in humans, where both A and B alleles are expressed equally.
When both alleles are expressed in an offspring what has occurred?
That depends on the extent to which the allele is expressed. There are two cases. in the first case, if the phenotype ratio of one is greater than the other, that is, if one of them is expressed to a greater extent then the other, then it is known as incomplete dominance. However, if both are expressed in equal amounts in the offspring or there phenotype ratio is equal, then it is co-dominance.
What is the probability that certain genotypes and phenotypes will occur?
This depends entirely on the genotype of the parents. The probability of getting a specific genotype is the probability of getting the correct allele from mother (1/2) multiplied by the probability of getting the correct allele from father (1/2) multiplied by the number of ways this can occur. The probability of getting a phenotype, if the phenotype is dominant, is the sum of the probability of getting two dominant alleles, and the probability of getting one dominant allele. If the phenotype is recessive, the probability is equal to the probability of getting two recessive alleles.
How does codominance work and why does it happen?
Incomplete dominance occurs when a homozygous genotype produces an intermediate, or middle phase before the result. This intermediate is the heterozygous' phenotype.
What is it when interacting genes results in the equal phenotype expression of all genes?
Polygenes .
What contrasting alleles may in some cases result in a case where neither allele is dominant over the other?
If both alleles are recessive, then you will haev a case where contrasting alleles that do not have dominance. Neither allele has the power to be dominant so they will both have equal power of genetics.
How do you draw a flow chart for determining if the two numbers are equal or not?
using OR ().
Do vertebrates have equal sides of the body?
All vertebrates display bilateral symmetry.
A trait has 2 alleles represented by p and q. If p 0.35 what is q?
In a trait with two alleles represented by p and q, the sum of the frequencies of the alleles must equal 1. Therefore, if p = 0.35, you can find q by subtracting p from 1. This gives q = 1 - 0.35, which means q = 0.65.
In a certain population the dominant phenotype of a certain trait occurs 91 of the time what is the frequency of the dominant allele?
p^2+2pq=.91-->q^2=.09-->q=.3-->p=.7-->p^2=.49 p^2+2pq+q^2=1.49+2pq+.09=12pq=.42 the number of AA alleles =140-->49*2 + 42*1=140the number of AA alleles=60-->42*1 + 9*2=60 So the frequency of the dominant allele is equal to the number of dominant alleles over the total number of alleles.Therefore 140/200=.7.7 is frequency of the dominant allele
Is the genome of a living system equal to its genotype?
No; the genome is all of the possible genes and what they do/affect. The genotype is a simple description of which two alleles an organism has for a particular gene.
Determining coefficient of static friction using an inclined surface?
co -efficient of friction is equal to tan inverse of the inclination
