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TLS Online TPP Program

#Question id: 3464

Adult male humans generally have deeper voices than do adult female humans, which is the direct result of higher levels of testosterone causing growth of the larynx. If the fossil records ofapes and humans alike show a trend toward decreasing larynx size in adult females and increasing larynx size in adult males, then

#SCPH28 | Zoology

  1. sexual dimorphism was evolving over time in these species

  2. intrasexual selection seems to have occurred in both species

  3. stabilizing selection was occurring in these species concerning larynx size

  4. selection was acting more directly upon genotype than upon phenotype

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TLS Online TPP Program

#Question id: 2069

#SCPH01 Biochemistry

Which of the following processes includes all of the others?
TLS Online TPP Program

#Question id: 4753

#SCPH12 I Genetics

Pattern baldness in humans is a sex-influenced trait that is autosomes dominant in males and recessive in females. What is genotype of both parents with normal hair had one son with pattern baldness and another son is normal hair?
TLS Online TPP Program

#Question id: 5563

#SCPH28 | Zoology

In mammalian eggs, the receptors for sperm are found in the ________.
TLS Online TPP Program

#Question id: 6956

#SCPH28 | Zoology

The central nervous system is derived from _____, the axial skeleton is derived from _____, and the muscles of the trunk are derived from _____?
TLS Online TPP Program

#Question id: 754

#I Life Science/ Life Sciences Group – I-V

If the twisting of the DNA is in the same direction as that of the double helix, that is the helix is twisted up before closure, this form of super coiling is known as;