Deck 3: Vertebrate Life Cycles, Experimental Techniques Human Development

Question 1

Which embryonic axis do axial structures, such as the neural tube and notochord, "run" along?

A) Dorso-ventral
B) Antero-posterior
C) Proximo-distal
D) Left-right

Answer 1

B

Question 2

Which of these groups consist solely of amniote embryos?

A) Frog, chicken, mouse
B) Fish, frog, mouse
C) Fish, human, chicken
D) Human, chicken, mouse

Answer 2

D

Question 3

What is the name for the ball of cells created through cleavage of the frog zygote?

A) Blastula
B) Blastopore
C) Blastocoel
D) Blastomere

Answer 3

A

Question 4

What germ layer undergoes neurulation?

A) Endoderm
B) Ectoderm
C) Intermediate mesoderm
D) Lateral plate mesoderm

Question 5

What is the chick equivalent of the Spemann organizer in amphibians?

A) Primitive streak
B) Hensen's node
C) Koller's sickle
D) Epiblast

Question 6

Which animal embryo does not develop from a blastodisc?

A) Mouse
B) Human
C) Chick
D) Rabbit

Question 7

Which statement is not true of human embryonic development?

A) Human fertilization takes place within the Fallopian tube.
B) Human embryonic cells undergo compaction.
C) Human embryos develop a primitive streak.
D) Human embryos undergo a "turning" step.

Question 8

Which statement is not true of RNA seq?

A) It is less accurate than microarrays.
B) It can identify the expression of large numbers of genes at the same time.
C) It can determine the changes in gene expression during development.
D) It requires direct sequencing of nucleic acids.

Question 9

Which of these techniques is not an example of reverse genetics?

A) TILLING.
B) Gene knock-out using homologous recombination
C) Morpholino antisense RNAs
D) Mutagenesis screens to uncover developmental mutants.

Question 10

With which animal is fate mapping using quail cells associated?

A) Zebrafish
B) Mouse
C) Chick
D) Frog