What is the difference between a gene and an allele?
A gene is a form of a trait, and alleles make up genes.
A gene is a sequence of bases in a DNA molecule, and an allele is an alternative version of a gene that codes for a different, but related, feature.
A gene is a sequence of bases in a DNA molecule, and an allele is an alternative version of a gene that codes for the same feature.
A gene describes a chromosome, and an allele describes an exact location of a gene on a chromosome.
An allele and a gene are the same thing.
A gene is a sequence of bases in a DNA molecule, and an allele is an alternative version of a gene that codes for the same feature.
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Fill in the blank with the appropriate word.
Which element is the basis for the macromolecules found in living things?
A) carbon B) hydrogen C) nitrogen D) oxygen
A phenotype:
a) does not reveal the heritability of traits. b) consists of the observable properties of an individual. c) does not include an organism's behavior. d) cannot change during the course of an organism's life. e) depends on the genome rather than the environment.
Which of the pairs of hormones BOTH increase blood sugar?
a. insulin & glucagon b. growth hormone & insulin c. glucagon & epinephrine d. antidiuretic hormone & glucagon