To perform a testcross, scientists cross an organism with an unknown genotype with a homozygous recessive organism.
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The fox population would most likely decrease over time. The fox's population would go way down if they ate dead mouse consumed by the infection and caught the infection themselves.
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Brainliest answer is always appreciated!<span />
I think it is B but if not sorry
Answer : The Aerobic exercise improves the oxygen purifying capacity of lungs. So, one can breathe in more oxygen through inhalation and then more oxygen is transferred to muscles in the body, also carbon dioxide is given actively out of the body through exhalation. All these gives body more energy to perform daily tasks and stay fit and healthy.
<span>Eukaryotic cells contain membrane-bound organelles, including a nucleus. Eukaryotes can be single-celled or multi-celled, such as you, me, plants, fungi, and insects. Bacteria are an example of prokaryotes. Prokaryotic cells do not contain a nucleus or any other membrane-bound organelle.</span>
