The amount of enzyme activity in a cell that is homozygous for a mutant allele is 0 units. The amount of enzyme activity in a cell homozygous for the WT allele is 200 units. The amount of enzyme activity in a heterozygote is 0 units. What type of allele is the mutant allele?
a. null/amorphic
b. neomorphic
c. dominant negative
d. hypomorphic
e. hypermorphic

The best answer is "C"

Dominant negative

Explanation:

Dominant negative represents a class of mutation in which a mutant receptor interferes with the function of the wild-type version of the receptor.

null/amorphic: It is a form of mutation that causes the complete loss of Gene function (protein) by disrupting translation and/or preventing transcription.

Neomorphic: Describes a mutation where altered gene product possesses a completely new molecular function and sometimes pattern of gene expression.

Hypmorphic: describes a mutation that causes a partial loss of gene function usually through reduced (protein, RNA) expression or reduced functional performance.

hypermorphic: describes a mutation that causes an increase in the normal gene function resulting from increased mRNA or protein expression.

on the planet jupiter, the acceleration due to gravity is approximately 26 m s2 , roughly 2.7 times the acceleration due

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.