HEREDITY
INCOMPLETE DOMINANCE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Testing for the presence of the recessive allele
|
|
Determining the DNA sequence of a given gene
|
|
Identifying the gene locus where allelic variations are possible
|
|
Predicting the result of genetic crosses between organisms of known genotype
|
Detailed explanation-1: -The correct use of a punnett square is option D). Predicting the result of genetic crosses between organism of known genotype.
Detailed explanation-2: -A Punnett square allows the prediction of the percentages of phenotypes in the offspring of a cross from known genotypes. A Punnett square can be used to determine a missing genotype based on the other genotypes involved in a cross.
Detailed explanation-3: -A Punnet square shows the genes (represented by letters) in the parents’ gametes along the top and left-hand side of a square and the possible gene combinations in the offspring, within the square. A completed Punnett square gives the probable outcome of a given cross.
Detailed explanation-4: -A Punnett square can be used to predict genotype and phenotypes of offspring from genetic crosses. A single-gene, or monohybrid cross is pictured below. This illustration shows a monohybrid cross.
Detailed explanation-5: -The Punnett square is a table in which all of the possible outcomes for a genetic cross between two individuals with known genotypes are given. In its simplest form, the Punnett square consists of a square divided into four quadrants.