Advertisements
Advertisements
Question
Answer each question in ‘One’ sentence only:
Identify which one of the following is a test cross.
Options
Tt × Tt
TT × tt
Tt × tt
Advertisements
Solution
Tt × tt is a test cross.
A test cross is a cross between F1 hybrid (Tt) and a recessive parent (tt).
APPEARS IN
RELATED QUESTIONS
Explain Darwinian theory of evolution with the help of one suitable example.
Objection to Darwin's theory of natural selection.
How do the observations made during moth collection in pre- and post- industrialized era in England support evolution by Natural Selection?
The theory of Natural Selection was proposed by
The theory of natural selection for evolution was proposed by ______.
Identify the two organisms which are now extinct and are studied from their fossils.
Differences between organisms in a species are described as variations. Which of the following would you describe as a continuous variation?
Nature has a way of causing organisms that inherit advantageous traits to survive and reproduce more successfully than the ones that do not. This process is known as ______.
Distinguish between directional, stabilizing and disruptive selection.
Match the name of the scientist in Column I with the name of the theory in Column II.
| Column (I) | Column (II) | ||
|---|---|---|---|
| i. | August Weisman | a. | Theory of origin of species |
| ii. | Hugo de Vries | b. | Theory of chemical evolution |
| iii. | Charles Darwin | c. | Theory of continuity of germplasm |
| iv. | Oparin Haldane | d. | Mutation theory |
Choose the correct option.
