Multiple Choice
In Drosophila, mutations in homeotic genes can lead to
A) the polarity of segments being reversed.
B) segments missing.
C) segments of one body part being transformed into another.
D) determine the distance between the anterior and posterior of the embryo.
E) reversal of the dorso-ventral axis.
Correct Answer:
Verified
Correct Answer:
Verified
Q24: Maternal-effect genes are<br>A) transcribed and translated in
Q25: In addition to organogenesis, many animals undergo
Q26: Morphogenic changes during organogenesis are generated by<br>A)
Q27: You observe an animal embryo that is
Q28: Which of the following is NOT a
Q30: A maternal-effect gene is<br>A) when developmental phenotype
Q31: Gastrulation<br>A) in Xenopus is by simple invagination
Q32: Cells produced specifically during cleavage are called<br>A)
Q33: Haematopoietic stem cells give rise to<br>A) haemoglobin.<br>B)
Q34: Hox genes<br>A) are transcriptional regulators.<br>B) produce proteins