Question
What is gene flow?
✓
Answer
Gene flow is the transfer of alleles or genes from one population to another. This causes change in the composition of the gene pool of the receiving population. This is necessary for the process of evolution. When the gene flow stops, there will be no evolution.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Differentiate between back cross and test cross.
When does a geneticist need to carry a test cross? How is it carried?
If the length of E.coli DNA is $1.36\ mm$, calculate the number of base pairs in E.coli.
→| Column I | Column II | ||
| (a) | Egg | 1 | Testa |
| (b) | Nucellus | 2 | Tegmen |
| (c) | Outer integument | 3 | Perisperm |
| (d) | Inner Integument | 4 | Embryo |
List any three enzymes involved in the process along with their functions.
Given below is a sequence of steps of transcription in a eukaryotic cell. Fill up the blanks (1, 2, 3, 4) left in the sequence.
Describe the chemical methods of birth control.
Give any four possible ill effects of contraceptives.
Explain the importance of syngamy and meiosis in a sexual life cycle of an organism.
Give the binomials of two types of yeast and the commercial bioactive products they help to produce.