Exam 26: Developmental Genetics

What gene in humans prevents male development?

A mutation in the B genes of Arabidopsis would result in the incorrect formation of what structure?

During what stage of development do homeotic genes begin to establish cell fate?

A mutation in which the fate of cell lineages is not synchronized in an organism is called a ________.

Studies of invertebrate and vertebrate development suggest that there is a universal body plan for bilateral animal development.

The ________ of a morphogen determines its effect on development.

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

One of the four overlapping stages in animal development is apoptosis

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

Antennapedia in Drosophila is an example of a ________.

Molecules that convey positional information and promote developmental changes are called ________.

The spatial arrangement of different regions in the body is called a ________.

In Drosophila embryos, the anterior compartment of a segment overlaps with the posterior compartment of a parasegment.

What gene must be expressed in a Drosophila for it to develop into a female fly?

An XY human individual with a deletion that has inactivated SRY will developmentally be what sex?

Programmed cell death is called ________.

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

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

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

A homeotic mutation results in which of the following?