Africa Mid-Point Vocabulary

The horns of a water buffalo that help defend themselves from -- and survive -- attacks from predators are examples of...

• adaptations

• intraspecific competition

• energy benefits

• group behavior

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This is an example of...

• intraspecific competition

• interspecific competition

• genetic variability

• gene flow

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This is an example of...

• interspecific competition

• intraspecific competition

• interbreeding

• genotypic karyotyping

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This picture of the chromosomes from one cell of an organism is called a...

• karyptype

• gene map

• genotype

• allelic frequency

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Why are there two copies of every chromosome in this picture?

• Organisms receive one chromosome from the mother, one from the father.

• So that there is a back-up copy in case one gets damaged.

• There are too many genes to fit on one chromosome.

• One copy gives organisms traits, the other gets passed on to their offspring.

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What is the name for tightly-wound pieces of DNA found within the nucleus of cells?

• Chromosome

• Gene

• Allele

• Locus

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What do we call sections of DNA that are the code for producing traits of organisms?

• Gene

• Chromosome

• Nucleus

• Genome

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I inherited a copy of the blue-eyed gene from my father, and a copy of the brown-eyed gene from my mother. What do we call each copy (version) of a gene?

• Allele

• Karyotype

• Genotype

• Chromosome

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How many alleles for each trait do organisms inherit?

• Two. One from the mother and one from the father.

• Two. Both copies come from the mother.

• One. Whichever allele they inherit determines their traits.

• Four. Two from each parent.

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NGSS.HS-LS3-1

According to the picture, what is the genotype of the individual for the two traits pictured?

• Aa, Bb

• AB

• AB, Aa

• AA, Bb

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