A Periodic Wave Travels Along a Stretched String in the Direction

question 31

Multiple Choice

A periodic wave travels along a stretched string in the direction shown by the arrow.The sketch shows a "snapshot" of the pulse at a certain instant.Points A, B, and C are on the string.Which entry in the table below correctly describes how particles of string between A and B and between B and C are moving? between A and B between B and C

• A)down down
• B)up down
• C)left right
• D)up up
• E)down up

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Definitions:

RR Parent

Refers to a plant that is homozygous for the round seed shape allele in Mendelian genetics, "RR" signifies both alleles for a trait are the same (dominant).

Dominant Phenotype

The observable trait or characteristics of an organism that masks the effect of a recessive allele; it is expressed in the phenotype when a dominant allele is present.

Genotype

The genetic constitution of an individual organism, determining specific traits by its DNA sequence.

Aa

An abbreviation often used in genetics to denote a homozygous recessive genotype.