Why can a person have brown eyes if they have a recessive allele in their genotype (Bb)? Answer freely

What is used to keep track of the gamates and possible offsprings combination

Which of these parts of the membrane large moecules pass through it ?

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.