A population that is in genetic equilibrium is said to ____
a. have an equal number of homozygotes as heterozygotes for a given trait
b. deviate from the Hardy-Weinberg law
c. require genetic testing for estimation of allele frequencies
d. lose genetic variation with each generation
e. have an allele or alleles that remain constant generation to generation
e
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Which of the following is/are a benefit of genetic testing? Select all correct choices
A. Newborns can be screened for treatable diseases. B. Individuals can find out whether or not they carry harmful recessive alleles. C. Adults can find out whether or not they have specific risk factors for some diseases. D. Physicians can use the results of genetic testing to engineer drugs specific for an individual's genotype. E. None of these.
Dmitri Ivanovski demonstrated that TMV was not spread via bacteria by
A. transmitting sap of infected plants from generation to generation. B. filtering sap from an infected plant through pores smaller than bacteria, and then applying it to a healthy plant. C. spraying sap from an infected plant onto a healthy plant. D. sterilizing sap from an infected plant and then applying it to a healthy plant. E. treating an infected plant with a broad spectrum of antibiotics before extracting sap.
Straps of dense connective tissue that join muscles to bones are called:
a. marrow b. joints c. ligaments d. tendons e. vertebra
Of the codons AAU, AUG, UAA, and UAU, which is considered a nonsense codon? What does this mean?
What will be an ideal response?