Reproduction And Genetics Question Preview (ID: 58997)


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What is the result of crossing the homozygous genotypes AA and aa?
a) Aa 100%
b) Aa 50%, aa 50%
c) AA 50%, aa 50%
d) AA 25%, aa 25%, Aa 50%

What is the result of crossing the heterozygous genotypes Aa and Aa?
a) AA 25%, Aa 50%, aa 25%
b) AA 50%, aa 50%
c) aa 100%
d) AA 100%

Science can change and is a continually ongoing process.
a) True
b) False
c)
d)

The factor (variable) in an experiment that you measure.
a) Independent Variable (IV)
b) Dependent Variable (DV)
c) Constants
d) Control

A scientific prediction about a problem that can be tested.
a) Observation
b) Hypothesis
c) Manipulate
d) Inference

A series of steps used by scientists to solve a problem or answer a question.
a) scientific method
b) data collection
c) metric system
d)

According to the law of superposition, the oldest fossils are found.
a) At the top of the rock layers
b) Near the bottom of the rock layers
c) In the middle of the rock layers
d) Somewhat near the surface

The theory that explain the gradual change in species over time is...
a) Adaptation
b) Natural selection
c) Artificial selection
d) Evolution

Another word for adapt is ____________.
a) change
b) create
c)
d)

Genetic differences between organisms of the same species
a) Adaptation
b) Behavior
c) Variation
d) Environment

According to the Law of Conservation of Energy, energy cannot be _________ or ____________.
a) destroyed, destroyed
b) created, saved
c) created, destroyed
d) lost, found

How do eagles reproduce?
a) Asexually
b) Sexually
c) Both
d)

Where are genes located?
a) Chromosomes
b) Alleles
c) Phenotype
d) Genotype

A sequence of DNA that determines a trait and is passed from parent to offspring.
a) Gene
b) Allele
c) Trait
d)

A disturbance that transfers energy from place to place.
a) Vacuum
b) Wave
c) Energy
d) Medium

The height of transverse wave from the center to a crest or trough.
a) Medium
b) Amplitude
c) Wave
d)

The distance between two corresponding parts of a wave, such as distance between two crests.
a) Medium
b) Amplitude
c) Wavelength
d) Vacuum

The number of complete waves that pass a given point in a certain amount of time.
a) Frequency
b) Amplitud
c) Wave
d) Wavelength

Which types of heat transfer involve heat flow from hot objects to colder objects?
a) convection and radiation, but not conduction
b) convection, but not conduction or radiation
c) convection and conduction, but not radiation
d) convection, conduction, and radiation

Heat
a) Moves from cold to hot
b) Always rises up
c) It depends on the molecules
d) Moves from hot to cold

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