Haploinsufficiency refers to ________
A) the condition whereby a single chromosome is insufficient to sustain life
B) the genetic predisposition for some genes to come in only one copy in the genome
C) the condition whereby a single cell is insufficient to divide to cause cancer
D) a state of being whereby a single gene is sufficient to cause several phenotypes
E) the process by which a single gene will cause a cascading effect on a genome's phenotype
Answer: A
You might also like to view...
When humans are developing in utero they have characteristics that are not found in the fully developed infant. Which type of homology does this typify?
A. Developmental. B. Structural. C. Vestigal. D. Molecular. E. Both developmental and vestigal.
Which of the following statements is true about sex linked disorders? a. Only the mother's chromosomes will determine the sex linked disorders of all of her children
b. Both parents' chromosomes will influence their daughters sex linked disorders equally. c. The father's chromosomes will determine the sex linked disorders of his daughters. d. The mother's chromosomes will determine the sex linked disorders of her daughters. e. Only the father's chromosomes will determine the sex linked disorders of all of his children.
The part of a mollusc's body that is responsible for secreting a shell is the: a. mantle
b. nephridium. c. head-foot region. d. visceral.
The following figure shows studies in a stream where enclosures were set up either with trout or with no trout. Which statement is a correct interpretation of the graph about trout, invertebrates, and algae?
A. If trout are present in a system, algae production is low and invertebrate population levels are also low.
B. If trout are present in a system, algae production is high and invertebrate population levels are also high.
C. If trout are present in a system, algae production is high and invertebrate population levels are low.
D. Trout do not seem to affect the algae production; only the invertebrate populations are affected.
E. Trout do affect the algae production but not the invertebrate populations.