Which of the following is correct statement?

A. Reproduction alone does not alter allelic or genotypic frequencies from generation to generation

B. Frequency of the heterozygote is always greatest when allelic frequencies are range between .33 and .66

C. Inbreeding is more likely to take place in nature when population size becomes very small and the number of mates is limited.

D. The movement of a few individuals between populations can counteract the effects of genetic drift

TLS Online TPP Program

#Question id: 14839

#Unit 5. Developmental Biology

Given are certain facts which define ‘specification’ of a developing embryo.

 A. At the specification stage, commitment to cell identity is labile.

 B. At the specification stage, cell is capable of differentiating autonomously.

 C. The cell “knows” very early what it is to become without interacting with other cells.

 D. A phase where inductive signals trigger cell to determines their fate.

 Which of the above statements best define specification?

TLS Online TPP Program

#Question id: 14840

#Unit 5. Developmental Biology

If a cell or tissue type is able to differentiate according to its specified fate, it is assumed that commitment is:

TLS Online TPP Program

#Question id: 14841

#Unit 5. Developmental Biology

How cells became different from one another during embryonic development?

TLS Online TPP Program

#Question id: 14842

#Unit 5. Developmental Biology

If a specified cell is transplanted to a population of differently specified cells, the fate of the transplant will be:

A. Altered if the specification is reversible

B. Capable of differentiating by itself if the specification is reversible

C. Altered if the specification is irreversible

D. Capable of differentiating by itself if the specification is irreversible

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 14843

#Unit 5. Developmental Biology

In both animals and plants, undifferentiated cells go through a process of maturation that begins when they become committed to a specific cell lineage.

   

Which of the following option represents correct events regarding to series

TLS Online TPP Program

#Question id: 15245

#Unit 5. Developmental Biology

which of the following is property of Syncytial specification?