Q1 of 42 Page 1

State from where do the signals for parturition originate in human females.

In human females, the signals for parturition originate from the completely developed foetus and the placenta which induce mild uterine contractions known as foetal ejection reflex. That triggersrelease of oxytocin from the maternal pituitary.


More from this chapter

All 42 →
2

Name the pattern of inheritance where F1 phenotype:

(a) resembles only one of the two parents.


(b) does not resemble either of the two parents and is in between the two.


 3

According to the Hardy-Weinberg principle, the allele frequency of a population remains constant. How do you interpret the change of frequency of alleles in a population?

OR


Coelacanth was caught in South Africa. State the significance of discovery of Coelacanth in the evolutionary history of vertebrates.


 4

State the functions of mast cells in allergy response.

OR


State the function of interferons.


 5

What is the cell that receives a recombinant gene called?