Hi there leafminer,
when you inbreed F1 x F1 as you know you get the F2's and these are subject to something that happens called 'gene recombination' which means the parent plants may have looked nice and uniform but the F2's typically have great phenotypical variation which means almost every plant can look a bit different from its neighbour and unusual types can emerge through recessive genes being able to be expressed so you can get exceptional and totally unique individuals both good and bad and it's often you can find a keeper which is superior to the original F1 progeny.
Sorry to hear of your broken plant but if you wrapped the break up well and it's still going after 24 hours she should be fine.
But you are getting your wires a bit crossed with this percentages business as it doesnt quite work like that.
Lots of folk think if you cross a an indica with a sat you've got a 50%/50% mix and then say you backcross to the mum you'll have 75%,do it again and you have 87.5% etc etc.
No,these percentages refer to allele frequencies in a population of plants,not to a percentage of genes expressed in the actual plant.
An allele is a unit or units of genetic info in a gene specific to a certain trait.
By this I mean a cross could have say 50% of offspring looking like mum,50% like dad or maybe 25%/75% or 33%/66% and is dependent on the breeding condition of the plants used in the cross.
The breeding condition could be heterozygous(hybrid) which means it's alleles for a trait are unequal,so say you had a plant that had pine smelling resin it would be annotated thus: Pp.
Or it could be homozygous,meaning truebreeding for a trait and is either dominant or recessive. Dominant: PP Recessive: pp.
So a plant has 2 alleles for every trait but ONLY ONE is offered by the plant in any cross(per individual seed) and this is almost impossible to explain in words,you need diagrams called punnet boxes and by using a punnet box if you know the breeding condition make accurate predictions of those percentages which will help you decide in which plants to further work with.
There must be some info on breeding and the punnet box here at MP so I'd advise you take a look for some as once the penny drops and you can understand the concept you'll have SO much more confidence in your work with crosses as you actually have a proper understanding of whats going on.
Sorry I can't be more helpful but I don't have any pics of punnet boxes showing typical crosses but these laws are universal throughout for anything on this earth with dna in it.The same applies for our eye and hair colour along with every other inheritable trait and was first hypothesised by Gregor Mendel,the grand daddy of the laws of inheritance.
I really recommend Marijuana Botany by Robert Connell Clarke,it's a great first primer for cannabis genetics and has really good easy to understand diagrams and explanations.
sorry I went on a bit but I hope this helps.