If the expression of a trait requires only one copy of a gene (one allele), that trait is considered dominant. If the expression of a trait requires 2 copies of a gene (2 alleles), that trait is considered recessive. One exception is X-linked disorders.
Answer:
Cultivator - Machine that stirs and tills the soil
Combine Harvester - Machine used for reaping threshing, and winnowing
Broadcast Seeder - Machine that spreads seeds all over tilled soil
Roller - Machine used to break up large clumps of soil
Explanation:
I got it right on the test
Ecological succession may occur for many different reasons. A lot of times though, it is because the conditions of an environment may drastically change.
Answer:
b. question of fact
Explanation:
A policy represents a proposed principle of action by an organization, individual or government.
A fact represents a process or an event that has been proven to be always true.
A theory is a hypothesis that has been proven by several independent individual or researcher.
Global warming means the average increase in global temperature as a result of absorption of more radiation by greenhouse gases. The phenomenon has been established and proven as a fact.
<em>Hence, Ned will be addressing a question of fact rather than a question of policy or theory.</em>
The correct option is b.
Answer:
Zero
Explanation:
Have a look at the diagram below
TT represent tall Pea plant, Tt the hybrid and tt short pea plant.