Write as an Addition Problem and Find the Sum

question 57

Multiple Choice

Write as an addition problem and find the sum.
-Jane lost 5 pounds the first week and gained 2 pounds the second week. What was her net gain or loss?

• A)5 + -2 = 7 pounds
• B)5 + -2 = -7 pounds
• C)-5 + 2 = -3 pounds
• D)-5 + 2 = 3 pounds

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Definitions:

Dominant Allele

The allele that is expressed when an individual possesses two different alleles for the same trait.

Recessive Allele

The allele that is not expressed when an individual possesses two different alleles for the same trait.

Carriers

Individuals who are heterozygous for a trait with a dominant and recessive allele and thus express only the characteristics associated with the dominant allele but may pass the recessive allele, including one for a recessive disorder, on to their offspring.

Different Alleles

Variants of the same gene that exist at the same locus on a chromosome but encode for different traits.