TLS Online TPP Program

#Question id: 12259


Which of the following is an example of exploitation competition? 

#Unit 10. Ecological Principles
  1. Fungi limit the growth of bacteria in their vicinity by releasing antibiotics
  2. Hummingbirds chase other hummingbirds away from flowering plants
  3. The population of one plant species reduces an essential nutrient element below the minimum level required to support the population of a second plant species, which is eliminated
  4. Shrubs of the genus salvia release toxic chemicals that inhibit the growth of other vegetation
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TLS Online TPP Program

#Question id: 4805

#Unit 8. Inheritance Biology

What is maximum parental frequency for two genes if single cross over within two strands?

TLS Online TPP Program

#Question id: 4806

#Unit 8. Inheritance Biology

Four incompletely link gene as cis configuration, Heterozygote ABCD/abcd produced a gamete with genotype AbCD is due to

TLS Online TPP Program

#Question id: 4807

#Unit 8. Inheritance Biology

Three incompletely link marker gene was found. There is a marker A gene present in middle. Cross between aaBBcc X AAbbCC to produce heterozygous were allowed test cross, which of the following test cross offspring should be least frequent?

TLS Online TPP Program

#Question id: 4808

#Unit 8. Inheritance Biology

When F1 female Drosophila of the genotype AaBbCc is test crossed, ( Gene A and B located at 10 map unit in transe configuration but gene C are independently assort for both gene. Which of the following test cross progeny that is that is more frequent?

TLS Online TPP Program

#Question id: 4809

#Unit 8. Inheritance Biology

The upper most following figure above shows the locations of four genes on the genetic map of an organism; the lower figure shows the locations of the same four genes on a physical map derived from the nucleotide sequence of the DNA of that organism. The maps are not identical because

TLS Online TPP Program

#Question id: 4810

#Unit 8. Inheritance Biology

In a haploid organism, the C and D loci are 8 m.u. apart. From a cross C d X c D, which of the following proportion following progeny classes: (a) C D; (b) c d; (c) C d