So sexual reproduction appeared by simultaneous random mutations producing a male part with a half-complement of chromosomes and a female part with a corresponding half-complement of chromosomes close enough in time and space to combine and produce an offspring?
It's far more likely that my 5-year-old grandson will pick the winning numbers for every Powerball lottery drawing for the rest of his natural life.
Yes, it is. The sheer number and variety of planets in the Universe is already incomprehensible and possibly unquantifiable. Now multiply that almost infinite number by the number of possible life forms and "weird" things are possible.
Something extremely rare and possibly unique made life on this planet possible. We do not know if it's spontaneous or divine intervention. Both are equally as far fetched based on current science.