D i think is the answer most of all
Line breeding is an example if you’re looking for a genetic answer
Answer:
Sporophyte is diploid multicellular stage that are found in plants, algae and helps in formation of zygote.
Explanation:
The seedless vascular plants bear dominant sporophytes over generation like clubmoss,ferns etc.
The leaves are dotted with sporangia which are in cluster form.
The sporangia helps in formation of gametophytes that contain antheridia and archegonia.These structures are important as they produce sperm with multiple cilia bearing on it and eggs.
The individuals that are produced live long and grow in larger size.
The individuals produce more oxygen as they contain chlorophyll.They produce carbohydrate rich food by the process of photosynthesis.
When cells divide uncontrollably and spread into surrounding tissues
Okay you need to put the photograph