You need two recessive alleles (xx). If even one dominant allele is present, the dominant trait will show (Xx or XX will both result in the dominant trait showing). That’s why they’re called dominant traits, because they overpower the recessive traits. In order for a recessive trait to show you must have two recessive alleles.
The answer to the very question you are asking is "plants"
The answer that would best complete the given statement above would be option B. Charles Darwin's theory of evolution by natural selection explains each of the following except <span>inherited traits are passed from to offspring. Hope this answers your question.</span>
Kilo-1,000
deci-1/10
centi-1/100
milli-1/1000