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Dipterans (two-winged insects) are thought to have evolved from a four-winged an

ID: 68764 • Letter: D

Question

Dipterans (two-winged insects) are thought to have evolved from a four-winged ancestor that had wings, on both T2 and T3 thoracic segments, as in extant butterflies and dragonflies Complete the description of an evolutionary scenario for the evolution of dipterans from four-winged ancestors What types of mutations could lead to butterfly developing with only two wings, Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Terms can be used once, more than once, or not at all

Explanation / Answer

1)hererozygous

2)recessive

3)Antnnapedia

4)Abdominal A

5)wings

6) haletere

7) prevent

8)ultrabithorax