Exam 25: Developmental Genetics

HoxC-6 is always expressed posterior to vertebrae 7 during the development of every vertebrate.

Threshold concentration, morphogens, induction, and cell adhesion provide ________________ to a developing organism.

Skeletal muscle cell development is controlled by _______ proteins.

The morphological features that a group of cells will eventually adopt is called the _______.

A homeotic mutation results in which of the following?

What is one characteristic of a homeodomain?

A Drosophila larva that develops from an oocyte that has no bicoid mRNA will have what developmental defect?

Genes that specify the final identity of a body region are called _______.

The bicoid gene has what pattern of inheritance?

Homeotic genes activate other genes that determine the ____________ of each segment.

Programmed cell death is called _______.

Gap genes and pair-rule genes are examples of genes that determine _____.

The ectoderm, mesoderm, and endoderm are formed during the ____ stage of embryogenesis.

A C.elegans with a heterochronic mutation in lin-14 will lay eggs normally.

Which segment gene is activated first in the Drosophila embryo?