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TLS Online TPP Program

#Question id: 4947

The first genes on Earth were probably

#Unit 11. Evolution and Behavior

  1. DNA produced by reverse transcriptase from abiotically produced RNA.

  2. DNA molecules whose information was transcribed to RNA and later translated in polypeptides.

  3. auto-catalytic RNA molecules.

  4. RNA produced by autocatalytic, proteinaceous enzymes.

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TLS Online TPP Program

#Question id: 10766

#Unit 8. Inheritance Biology

what is degree of freedom
1- Degrees of freedom represent the number of ways in which the observed outcome categories are free to vary.
2- Degree of freedom refers to the minimum number of logically independent values, which are values that have the freedom to vary in the data sample.
3.Degrees of freedom represent the number of ways in which the observed outcome categories are restrict to vary.
Which one are correct statement?
TLS Online TPP Program

#Question id: 10765

#Unit 8. Inheritance Biology

Degree of freedom is (where n is phenotype)
TLS Online TPP Program

#Question id: 10764

#Unit 8. Inheritance Biology

Dihybrid cross conclude
TLS Online TPP Program

#Question id: 10272

#Unit 8. Inheritance Biology

Specific place on a chromosome occupied by an allele
TLS Online TPP Program

#Question id: 10271

#Unit 8. Inheritance Biology

In cats, black coat color is dominant over gray. A female black cat whose mother is gray mates with a black male whose father is gray . If this female has a litter of 5 kittens, what is the probability that three will be black?
TLS Online TPP Program

#Question id: 10270

#Unit 8. Inheritance Biology

Mendel crossed tall pea plants with dwarf ones. The F1 plants were all tall. When these F1 plants were selfed to produce F2 generation, he got a 3: 1 tall to dwarf ratio in the offspring. What is the probability that out of three plants (of F2 generation) picked up at random all three would be dwarf?