Answer:
Q.1: The genetic combination of the RRtt would be...
short red flower
Q.2: How many times does rrTt combination appears...
2 times
Hopefully that helps
Explanation:
Answer: Self regulating
Explanation:
Regulation of gene expression, or gene regulation, includes a wide range of mechanisms that are used by cells to increase or decrease the production of specific gene products (protein or RNA). When genes are auto regulatory, it is self regulatory just like the butterfly mentioned above.
Answer: The railroad allowed raw materials to reach factories in the East and consumer goods to reach all parts of the United States in a timely manner. Railroads helped to create the cattle industry on the Plains immediately after the Civil War. Cattle brought low prices in Texas, but demand was higher on the East coast.
Explanation:
Answer: It helped build power plants.
Explanation: The Rural Electrification Act granted federal loans for the installation of electrical distribution systems to serve rural areas.