The expected phenotypic ratio for a cross between two individuals that are heterozygous for a given trait is 3:1.
<h3>What is Phenotype?</h3>
This is referred to the physical characteristics of an organism such as the size, shape etc.
When two heterozygous traits are crossed:
Rr × Rr ⇒ RR Rr Rr rr
The ratio is therefore 3:1 of the dominant to recessive phenotype.
Read more about Phenotype here brainly.com/question/22117
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Meiosis a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.
Answer:

Explanation:
<u>Antibiotics:</u>
"Medicines used against bacteria are called antibiotics."
<u>Example:</u>
Rifampin, isoniazid.
Mycobacterium Tuberculosis is a bacteria.
However, some of its strains are resistant to antibiotics and thus is classified as multidrug resistant (MDR resistant)
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Hope this helped!
<h3>~AH1807</h3>