Tay-Sachs disease is caused by a mutation in the HEXA gene located on chromosome 15. Tay-Sachs follows an autosomal recessive pattern of Inheritance. With the help of the diagram, identify which of the offspring will be an unaffected carrier.
00
B
С
OA A, B, and C
OB
B and C
OCA and D
OD
А
ОЕ. .
D

i believe the correct answer from the choices listed above is the first option. the scientists need to look at the   validity of data, claims, hypotheses, and observations before  developing an argument. they base their arguments on facts that are present and they make sure they have proofs. 

explanation:

what image you forgot to include it.

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.