Eutherian ovum is ______?
ایتھیرین بیضوی ______ ہے؟
Explanation
Eutherian mammals (placental mammals) have an alecithal ovum.This meaning it contains little to no yolk because the embryo receives nutrition from the placenta.In contrast, mesolecithal and polylecithal eggs contain moderate and large amounts of yolk, respectively.