An allele that is always expressed whenever it is present is called

A.) recessive
B.) superior
C.) phenotypic
D.) dominant


Ans: D.) dominant

Biology & Microbiology

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Consider the data in Fig. 46.8 illustrating the age structure of France and India. In many parts of the world, the average age of reproductive maturity is increasing as humans move from urban to rural environments

Suppose that the current average age of first reproduction is 15 years in India and 20 years in France. How would a 5-year increase in the average age of reproductive maturity in both countries be expected to affect the per capita birth rate, and would this effect be greater in France or in India? A. increase in per capita birth rate, greater effect in India B. increase in per capita birth rate, greater effect in France C. decrease in per capita birth rate, greater effect in India D. decrease in per capita birth rate, greater effect in France

Biology & Microbiology

Should legal restrictions limit the application of gene therapy to only correcting genetic defects? Should enhancement gene therapy and/or gene doping be illegal? Do you think such a law would be enforceable? Explain your reasoning

What will be an ideal response?

Biology & Microbiology

Nondisjunction of a single pair of autosomes can lead to all of the following except

A. euploidy. B. aneuploidy. C. trisomy. D. monosomy.

Biology & Microbiology

)

A. include the skin B. include the mucous membranes C. all contain keratin which makes the barriers highly impervious D. are part of the second line of host defenses E. are all covered with mucus that adds another layer of protection

Biology & Microbiology