Lamarck hypothesized that different organisms originated separately by______I_________and gives a principle_______II_______.

a) spontaneous generation from nonliving matter

b) inheritance of acquired character

c) means of Natural Selection

d) Uniformitarianism

e) Spontaneous generation from living matter

TLS Online TPP Program

#Question id: 15245

#Unit 5. Developmental Biology

which of the following is property of Syncytial specification?

TLS Online TPP Program

#Question id: 15246

#Unit 5. Developmental Biology

Syncytial specification uses elements of:

TLS Online TPP Program

#Question id: 15247

#Unit 5. Developmental Biology

In the syncytial blastoderm, nuclei in the anterior part of the cell are exposed to ------------- that are not present in the posterior part of the cell, and vice versa.

1. Cytoplasmic determinants

2. Maternal factors

3. Zygotic gene

4. Paracrine signals

TLS Online TPP Program

#Question id: 15279

#Unit 5. Developmental Biology

Which of the following process is essential for successful syncytial specification?

TLS Online TPP Program

#Question id: 15280

#Unit 5. Developmental Biology

The mechanisms governing cell fate specification involves gradients of paracrine factors that regulate gene expression; such factors are called:

TLS Online TPP Program

#Question id: 15281

#Unit 5. Developmental Biology

What is morphogen?