Multiple Choice
A maternal-effect gene is
A) when developmental phenotype is determined by the genotype of the mother.
B) a gene which produces a product which controls dorsal-ventral division of the embryo.
C) a gene which influences the polarity in Drosophila development.
D) a gene product which acts in a concentration dependent manner to direct morphogenesis.
E) All of the answers are correct.
Correct Answer:
Verified
Correct Answer:
Verified
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
Q29: In Drosophila, mutations in homeotic genes can
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
Q35: Which of the following types of stem