Question

How do organisms with haploid-dominant life cycles ensure continued genetic diversification in offspring without using a meiotic process to make gametes?

Short answer

Organisms with haploid-dominant life cycles ensure continued genetic diversification in offspring by making a diploid zygote Haploid-dominant organisms undergo sexual reproduction.

Step-by-step solution

Step1.Introduction 

In a haploid-dominant life cycle, the multicellular (or sometimes unicellular) haploid stage is the most obvious life stage and is often multicellular.

In this type of life cycle, the single-celled zygote is the only diploid cell. Fungi and some algae have this type of life cycle.

Step2. Explanation  

• Haploid-dominant organisms undergo sexual reproduction by making a diploid zygote.
• The cells that make the gametes are derived from haploid cells, but the + and – mating types that produce the zygote are randomly combined.
• The zygote also undergoes meiosis to return to the haploid stage, so multiple steps add genetic diversity to haploid-dominant organisms.