A Recent Report Has Indicated Several Conclusions About Comparisons of Our

question 15

Multiple Choice

A recent report has indicated several conclusions about comparisons of our genome with that of Neanderthals. This report concludes, in part, that, at some period in evolutionary history, there was an admixture of the two genomes. This is evidenced by

• A) some Neanderthal sequences not found in humans.
• B) a small number of modern H. sapiens with Neanderthal sequences.
• C) Neanderthal Y chromosomes preserved in the modern population of males.
• D) mitochondrial sequences common to both groups.

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Definitions:

Secondary Sex Characteristic

Physical features that emerge during puberty which are not directly involved in reproduction but distinguish the two sexes from each other.

Spermarche

The commencement of sperm production in boys, marking the onset of puberty and reproductive capability.

Primary Sex Characteristic

The biological and physiological features including reproductive organs, that distinguish males and females.

Androgyny

The combination of masculine and feminine characteristics or qualities in one's personality or appearance.