The blood group B is almost absent in Native Americans, whose ancestors arrived in very small numbers about 10,000 years ago. Which factor is responsible for this phenomenon?
a, migration effect b, founder effect c,bottleneck effect are the options

Question

anonymous · Answer

founder effect seems to be more supportive than the other options  B

thomaster · Answer

$\bf\Huge Welcome~to~\color{#00B4ff}{Open}\color{#7cc517}{Study}~!!!$
You are right :)
The founder effect is what happens when a small group of individuals from a large population establish a new population.

anonymous · Answer

@DMYannella Thanks :)