Natural selection in an animal population results in narrowing of the range of phenotypic variation but no change in the average phenotype. What kind of selection is this population experiencing?

TLS Online TPP Program

#Question id: 7060

#Unit 5. Developmental Biology

What would be the result of a mutation in a maternal effect gene in a female Drosophila?

TLS Online TPP Program

#Question id: 7061

#Unit 5. Developmental Biology

In placental mammals, delayed implantation usually occurs when the

TLS Online TPP Program

#Question id: 7062

#Unit 5. Developmental Biology

Limb regeneration in salamanders occur by the process of

TLS Online TPP Program

#Question id: 7063

#Unit 5. Developmental Biology

The avian embryo comes entirely from

TLS Online TPP Program

#Question id: 7064

#Unit 5. Developmental Biology

Which of the following signals play important roles in neurulation and cell fate patterning of the neural tube?

TLS Online TPP Program

#Question id: 7065

#Unit 5. Developmental Biology

It is form in the wound epidermis of an amputated salamander limb and acts similarly to the apical ectodermal ridge during normal limb development: