#Question id: 5720
#Unit 8. Inheritance Biology
Which two of the following are the CORRECT statements ?
P. Nondisjunction in the parental meiosis is not essential to produce diploid organisms
Q. Nondisjunction in the parental meiosis is essential to produce aneuploid organisms
R. Nondisjunction in the parental meiosis is essential to produce hexaploid organism
S. Nondisjunction in the parental meiosis is essential to produce tetraploid organisms
#Question id: 4725
#Unit 7. System Physiology – Animal
Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?
#Question id: 10381
#Unit 6. System Physiology – Plant
symbiosis receptor-like kinase (SYMRK) is another type of receptor involves several function. Which of the following is incorrect?
#Question id: 3401
#Unit 11. Evolution and Behavior
Genotypes of leopard frogs from a population in central Kansas were determined for a locus that encodes the enzyme malate dehydrogenase. The following numbers of genotypes were observed: What would be the expected numbers of genotypes if the population were in Hardy-Weinberg equilibrium?
#Question id: 4932
#Unit 10. Ecological Principles
Which of the following is the best hypothesis regarding origins of nucleic acids?