Question

When comparing replicate populations of plants that are grown in the field or in controlled greenhouse conditions, the field population will likely have __________ heritability, ____________ VP, and ____________ VE. [Remember to explain your answer.]

a. higher/higher/higher

b. higher/higher/lower

c. higher/lower/higher

d. higher/lower/lower

e. lower/higher/higher

f. lower/higher/lower

g. lower/lower/higher

h. lower/lower/lower

Answer 1

When comparing the replicate populations in field and in controlled green house conditions, The heritability of field replicates would be high this is because of provision of receiving pollen from wide range of hosts and from distances. The higher heritability may also result in high phenotypic variance and higher environmental variance because of the influence of various environmental factors.

In contrast, in green houses, the conditions are maintained constantly in a controlled manner. There is less scope for pollen dispersal but the breeding experiments may help to produce high heritablity and phenotypic variance but lower environmental variance due to controlled conditions.

Therefore, option a is correct.