Why does aneuploidy in animals generally result in phenotypic abnormalities?

Is a fossil fem that support wegener's hypothesis of continental drift a. gondwanded b. kannemerid c. mesosaurus d. glossopters

Imagine that you are a doctor in a maternity ward. during your last shift, 20 babies were born. 10 had blue eyes, and 10 had brown eyes. 15 had round heads, and 5 had pointed heads. what are the parents phenotypes/traits?

Which of the above graphs represent the change in finch beak depth that would occur during a sustained drought