The Finding That Homeotic Genes Are Present in Both Mammals

question 6

Multiple Choice

The finding that homeotic genes are present in both mammals and insects indicates that these genes must

• A)control the same traits.
• B)be on the same chromosomes.
• C)have arisen very early in the evolutionary history of animals.
• D)have developed independently and simultaneously.
• E)have been transmitted into mammals by an insect bite.