(03.06 hc) a person with the genetic disorder klinefelter's syndrome has an extra x-chromosome. affected individuals have the genotype xxy. what can you infer is most likely the genetic mutation that results in klinefelter's syndrome?

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.