The correct option is 3). 0.5. Since recessive homozygous are 25% of the total individuals, we could assume that their parents genotype was heterozygous. Only a double heterozygous cross (that is Aa -male- <> Aa -female) could produce the observed (25%) homozygous proportion. Following this assumption, the heterozygous proportion will be 50%.
Measuring photosynthesis via the production of oxygen. Oxygen can be measured by counting bubbles evolved from pondweed, or by using the Audus apparatus to measure the amount of gas evolved over a period of time.The emerging bubbles are either simply counted or they are recorded using light barriers, which is very difficult because of their small size and often varying ascent rate. The gas bubbles generated during photosynthesis by aquatic plants produce distinctive sound pulses when leaving the plants.
Answer:
Reduces greenhouse gas emissions that contribute to global climate change. Helps sustain the environment for future generations. Saves money. Reduces the amount of waste that will need to be recycled or sent to landfills and incinerators.
Explanation:
Answer:
by conducting scientific experiment.
Explanation:
The effect of temperature on changes in flower color can be tested by performing scientific experiment. The temperature range will be independent variable and the variation in flower color will be dependent variable.
In this way the experiment will be done to see the result in order to prove the hypothesis.
