Answer the following statements true (T) or false (F)

1. For the traits Mendel studied in pea plants, each trait, or phenotype, is expressed in only the dominant or recessive form, depending on the genotype.
2. In the ABO blood type system, there are six possible genotypes, but only two possible phenotypes.
3. Environmental conditions affect single-gene traits rarely, but affect polygenic traits often.
4. When the frequencies of all the phenotypes associated with a polygenic trait are plotted on a graph, they form a characteristic bell-shaped curve.
5. Gregor Mendel is sometimes referred to as the "father of genetics" because he influenced the science of genetics more than anyone else.


1.TRUE
2.FALSE
3.FALSE
4.TRUE
5.TRUE

Biology & Microbiology

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It is clear that certain traits in early primate evolution played a key role in leading to the survival and further development of members of the order. Explain how traits such as manual dexterity, upright posture, acute vision, larger brain, extended infant care, and modified teeth laid the groundwork for the evolution of humans

What will be an ideal response?

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A. Logarithm B. Exponential C. Square root D. Linear

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Which definition of evolution would have been most foreign to Charles Darwin during his lifetime?

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Biology & Microbiology