How do you do a basic monohybrid cross using a punnett square?

Answer 1

Line the male on top and female at the side and record your calculations on the punnett square
Hope this helps,

Answer 2

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

Answer 3

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

Answer 4

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.

Answer 5

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).

Answer 6

Line the male on top and female at the side and record your calculations on the punnett square
Hope this helps,

Answer 7

You can predict probabilities by using the information given .-. That simple.

Answer 8

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 .