9/9 - Cleavage, gastrulation, and axis formation in protostomes

Fill-in-the-blank flashcards covering key topics from Chapters 1–7 of the lecture notes.

This organism is an , a marine invertebrate chordate.

ascidian

The synchronous rotation of the embryos establishes asymmetries.

left-right

Fertilization starts the .

cell cycle

Differentiation is when cells become .

specialized

The process by which genes are expressed to make RNA is called __.

transcription

HOX clusters are involved in polarity.

anterior-posterior

The Cambrian explosion occurred around million years ago.

540-560

Bilaterian genomes encode a similar set of genes.

regulatory

Drosophila and C. elegans belong to the .

Ecdysozoa

Planarians are part of the .

Lophotrochozoa

The Stazione Zoologica in Naples was founded in by Anton Dohrn.

1872

Roux is credited with pioneering the concept of cells.

totipotent

Oscar Hertwig discovered that the is important for inheritance.

nucleus

Thomas Hunt Morgan won the Nobel Prize for work on and heredity.

chromosomes

The Marine Biological Laboratory (MBL) is located in , Massachusetts.

Woods Hole

Cornelia Clapp studied the system in fish.

lateral line

Cornelia Clapp was the first woman in the US to earn a PhD in .

biology

Ernst Everett Just was a proponent of the block to polyspermy.

fast

The lateral line in fish is composed of pockets containing called neuromasts.

sensory hair cells

The embryology course at the MBL was started by .

Lillie