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TLS Online TPP Program

#Question id: 11377

Which one of the following statements is correct?


#Unit 10. Ecological Principles
  1. Island A is likely to have higher extinction and lower colonization rates than Island B.
  2. Island B is likely to have higher extinction and lower colonization rates than Island C.
  3. Island E is likely to have lower extinction rates and higher colonization rates than Island C.
  4. Islands A and E are likely to have equal rates of extinction and colonization
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TLS Online TPP Program

#Question id: 4747

#Unit 8. Inheritance Biology

How does incomplete dominance differ from incomplete penetrance?
TLS Online TPP Program

#Question id: 4748

#Unit 8. Inheritance Biology

Eye color in Drosophila present on X chromosome, Red eye color is dominant over white eye color. There is non disjunction in Meiosis I in female and normal meiosis in male. Female is white eye color was cross with red eye male. What will be expected phenotype in their progeny?
TLS Online TPP Program

#Question id: 4781

#Unit 8. Inheritance Biology

Two non allelic gene P and Q governed  Glume color in sorghum.

P= blakish purple          

Q = raddish purple (dependent over P gene )

If heterozygous Raddish purple were cross with homozygous brown color .What are phenotypic ratio of  progeny?
TLS Online TPP Program

#Question id: 4799

#Unit 8. Inheritance Biology

You set up a mapping cross involving your favorite gene (YFG) in Neurospora and determine the following octad types: 4:4 arrangement 83; 2:4:2 arrangement 7; 2:2:2:2 arrangement 10. What is the distance between your gene and the centromere?
TLS Online TPP Program

#Question id: 4800

#Unit 8. Inheritance Biology

You set up a mapping cross involving two genes of interest in Saccharomyces and determine the following tetrad types: 8 nonparentalditype; 12 tetratype; 80 parental ditype. Calculate the most accurate map distance between these two genes.
TLS Online TPP Program

#Question id: 4801

#Unit 8. Inheritance Biology

You set up a mapping cross involving two genes in Aspergillus and determine the following percentages of tetrad types: parental ditype 51%, nonparentalditype 49%. What can you say about your genes?