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Genetics Part 2
Transcript of Genetics Part 2
Let's look at a monohybrid square first.
Step 1: Determine the gametes from both sexes.
Ex. Let's say male is Aa.
What would be the genotype of his gametes?
Remember: alleles separate. So...
one sperm gets A while the other gets a.
2 Possibilities only!
A predictive method only.
Shows the possible genotype outcomes of
a particular mating between two individuals.
It is possible to determine then the
Be aware that things can
change based on the parents.
What would happen if
the parents were
PP x Pp
So what are the gametes?
PP gives only P gametes.
Pp gives either P or p gametes
So now, it's
a 4:0 phenotypic
Finially, what about a dihybrid
It works the same way, only
with more possible gametes.