You put each allelle from the father on the top and each allelle from the mother on the left side. Then you match one from each column and one from each row in one of the four remaining boxes. The combinations in the four remaining boxes are each of the possible outcomes. So, if your outcome was 1 AA 2Aa and 1 aa the probably outcome would be 1:2:1
A monohybrid cross is a punnet square which is basically a grid with two perpendicular lines. Or in a more simpler way, it looks like a number sign(#) or a tic-tac-toe box set-up(just makes sure you close it up to make a box. You put the genes on one parent on the top and the other in the side.
So and Example would be::
A dad has BB
and a mom has Bb
.........B____B
B BB BB
b Bb Bb
If you have two traits, lets just say its Aa and Bb. You make a square and divide it into fourths. You put individual letters on each box. So lets do A then a on the top square and then on the sides put B then b going down. Then just cross each box with each letter to get your genotype.
A a
BIABIaBI
I---I---I
bIAbIabI
So your genotype is AB, aB, Ab, and ab.
A punnet square is very similar to a multiplication table. Organisms with their respective genotypes can produce gametes that contain either a dominant or recessive allele.
For example
genotype of Organism 1: Bb (or any other combination)
genotype of organism 2: Bb (or any other combination)
The gametes go on top and down the sides (as bolded). Each box (where the column and row intersect) shows the possible combination of the gametes.
---B b
B BB Bb
b Bb bb
In this example, the capital letter B represents a dominant allele while the lower case b represents that of a recessive.
BB makes up 25% (takes up 1box out of the 4 boxes)
Bb is 50% (takes up 2 boxes out of the 4)
bb is 25% (also takes up 1 out of the 4 boxes).
You can predict probabilities by using the information given .-. That simple.
find all the possible gametes that can be produced from each parent . Draw an 8 by 8 punnett square box . Combine the gametes to get 64 combinations .
punnett square
The question can't be answered as asked. PSI (pounds per square inch) is a measure of pressure (or force) over a given surface area, but without knowing the surface area in question, the psi can't be calculated. However, it might help to understand it better by considering that a 1000 pound weight that is spread evenly over a surface area of 1000 square inches will only have a psi of 1. On the other hand, if you take that same 1000 pound weight and put it on a hand truck with two wheels, each wheel having a surface area (the area of wheel in contact with the ground) of 4 square inches, the area beneath each wheel will have a force (or pressure) of 125 psi being placed on it. Hope that helps.
Cross Contamination is the process of passing bacteria from one place to the other. There are two main types of cross contamination:Direct Cross Contamination (For example: Raw food comes into contact with cooked food)Indirect Cross Contamination. (For example: splashing, chef's cloths or food handlers
Yes, We can design a cross sectional study which its data collected in a retrospective format, so this study is called cross sectional retrospective study.
To figure this out, use a Punnet Square.First, set up a test cross, like this:Rr x rrThis shows what you are crossing. Now you can make a Punnet Square.R rr Rr rr There is a 50/50 chance that the corn plant will have thegenotype rr.r Rr rr
monohybrid cross
A punnett square is the diagram used to determine the expected genotypic ratios for the offspring.A dihybrid cross is a cross involving two different traits. For example RrDd X RrDd would be a dihybrid cross. You could use a punnett square to determine the expected ratios for this cross:RDRdrDrdRDRRDDRRDdRrDDRrDdRdRRDdRRddRrDdRrddrDRrDDRrDdrrDDrrDdrdRrDdRrddrrDdrrddOne parent's genotype is shown across the top, the other down the side (both in bold).
punnett square (:
punnett square
A punit square is essentially a method to work out the possible offsprings of a cross. The information is presented in a tabular for better understanding. The square is used as a tool in genetics to calculate the genootypic and phenopypic rations of certain crosses. The alleles of the parents are places on the two sides of the square and by filling in the grid, we find out the possible outcomes of the cross and determine the genotypic and phenoypic ratios
Square used to determine probability and results of cross is called a Punnett square. It is named after Reginald C. Punnett.
It is a dihybrid cross.An example: if you cross garden peas having round yellow seeds with others having wrinkled green seeds, that is a dihybrid cross, because you are tracking both seed shape and seed color.
A punnett square is a device used to predict the different allele composition of offspring from the cross of two individuals.
64
by using a Punnett Square
predicting the outcome of a genetic cross
A Punnet Square shows the gene combinations that might result from a genetic cross.