The Dwarf Planet Eris Has an Orbital Period About the Sun

question 52

Multiple Choice

The dwarf planet Eris has an orbital period about the Sun, P of 557 years. Given this, what is the semimajor axis, a of its orbit?

• A) 67.7 AU
• B) 55.7 AU
• C) 38.4 AU
• D) 72.1 AU

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Definitions:

X-linked Disorders

These are genetic conditions linked to mutations in genes on the X chromosome, often manifesting prominently in males.

Double-ovulate

The occurrence of releasing two eggs during a single menstrual cycle, which can lead to fraternal twins if both eggs are fertilized.

X-linked

A term referring to genes or genetic conditions that are associated with the X chromosome, often affecting males more frequently or severely because they have only one X chromosome.

Dominant-recessive

describes a genetic pattern in which one allele overshadows the effects of another, recessive allele in determining a trait's appearance.