Answer:
controlled the fertilization process.
Explanation:
Mendel took precautions to avoid contamination by pollen through self pollination of the P generation. He controlled the fertilization processes between the plants. He self pollinated the first pureline varieties to form the P generation. He then cross pollinated them to get F1 generation. Every step of his experiment was controlled.
Answer:
A or B
Explanation:
To be honest both are accurate.
A frame shift mutation is the shift of the genetics of an object.
This type of mutation os caused by the insertion or deletion of nucleotides in a DNA sequence that is not divisible by three.
Answer:
The distribution of water on the Earth's surface is extremely uneven. Only 3% of water on the surface is fresh; the remaining 97% resides in the ocean. Of freshwater, 69% resides in glaciers, 30% underground, and less than 1% is located in lakes, rivers, and swamps.
Explanation:
Force: Newton
Height: I don't know, sorry
Work: Joule
Mass: Kilogram
Energy: Joule