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In a dihybrid cross with genotypes JjQq and JJQq what is the probability of getting an offspring with genotype JJQQ OR Jjqq?
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In a dihybrid cross between individual with the genotype RRYYand an individual with the genotype rryy all of the offspring with have the genotype?
RrYy
How would you determine the genotype of an individual if it is heterozygous for a character?
You can perform test crosses with individuals of known genotypes and analyse the offspring you get.
What is the probability that two people with genotype LlRr have five children and 3 of them are dominant for the two genes L R?
With a dihybrid cross, there are 9 possible genotypes and 4 possible phenotypes. The ratio of phenotypes expected is 9 LR : 3 Lr : 3 lR : 1 lr. The probability of a homozygous dominant for both traits is 1/16 or 6%. The probability of having a dominant phenotype for both traits is 9/16 or 56%. 9/16 is roughly equal to 3/5 - so this is the expected ratio.
How would the probability of a brown-coated offspring change if the brown coated parent had the gene BB?
In this case, it doesn't matter what the genotype of the other parent is since BB is homozygous dominant (assuming this is the only gene that affects coat colour of course). All of the BB parent's offspring will PHENOTYPICALLY be brown-coated. They may be heterozygous though (Bb) depending on genotype of the second parent. So the PHENOTYPIC probability of a brown coat is 100% The genotypic probability of a homozygous genotype depends on the second parent.
What is a tool for predicting genotypes of offspring?
In genetics a type of grid is used to show the gametes of each parent and their possible offspring and also called the checkerboard is used. The Punnet Square is named after Reginald Crundall Punnett an English geneticist.
What is the probability of genotypes and phenotypes?
What is the probability that any of the offspring between individuals with the genotype AABbCcddEE will have the genotype AABBCCddEE
How does probability relate to the punnet square?
A Punnet square is a way of representing the possible combinations of genotypes in an offspring of two parents with differing genes. It is used to determine the probability that the offspring has a particular genotype.
In a dihybrid cross between individual with the genotype RRYYand an individual with the genotype rryy all of the offspring with have the genotype?
RrYy
How are the genotype and phenotype of parents related to the genotype and phenotypes of offsprings?
The parents can pass on only the alleles of their genotypes to their offspring. Therefore, the offspring genotypes and phenotypes are dependent solely upon the alleles inherited from the parents.
What percentage of possibles types of offspring had the same genotype as the parents?
That depends entirely on the genotypes of the parents.
When hybrids for a certain characteristic are crossed Aa x Aa the recessive genotype AA may appear in some of the offspring because of what?
Probability is the term for the chance that any specific genotype will occur in the offspring from the mating of parents. Typically the capital letter A (in this example) represents the dominant allele as opposed to the recessive allele. The probability of the possible genotypes in a monohybrid cross is 1AA:2Aa:1aa. The probability of AA is .25 or 25%.
What is the probability that the offspring will inherit a PP genotype?
It depends on the parents' genes. If both parent have a Pp genotype, then the offspring has a 25% chance of having a PP genotype. But if both parents have a PP genotype then its 100%.
If you cross a while flower with the genotype pp with a purple flower with the genotype pp the possible genotypes in the offspring will be what for the cross what would the phenotypes be?
half white and half purple
What could you do to determine the genotypes of two gray bodies flies?
You could cross breed them and depending on what their offspring is, you can determine what their genotype is.
How would you determine the genotype of an individual if it is heterozygous for a character?
You can perform test crosses with individuals of known genotypes and analyse the offspring you get.
Used to determine the probability of having specific offspring from two known parents?
Genotype is used to determine the probability of having specific offspring from two known parents.
How do you find possible phenotypes in offspring?
The possible genotypes and phenotypes of the offspring can be determined using a Punnett square, a grid that shows the possible combinations of alleles that can result at fertilisation. The Punnett square below shows the expected genotypes of the offspring of parent pea plants that both have the genotype Rr.
