Mechanisms of Genetics

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A mutation occurs in the DNA of a human's muscle cell. Will it be passed on to the organism's offspring?



	Yes


	No


	Some of the time


	Not enough information

A(n) __________ is a structure in the nucleus that contains DNA.

Cytosine (C) is an example of a(n) __________ __________.

Given Mendelian genetics, what phenotype(s) would result from the cross RR x Rr?

Hh indicates a __________ __________.

Hormones play an important role in __________ __________.

If the mother's genotype is RR and the father's is Rr, then what is the chance the offspring will have RR?

In RNA, the complementary nitrogen base to Adenine (A) is __________.

Segments of DNA that control specific hereditary characteristics are called genes.

UAA and UGA are both stop codons in mRNA. If a substitution changed UAA to UGA, is it likely you would see a variation?

What does a single codon specify or determine?

What kind of chemical is made from a "chain" of amino acids?

What process produces messenger RNA (mRNA) from DNA?

Which chemical structure specifies an organism's traits?

Which of the following is formed by three nucleotides in a row, such as TTG?

Which of the following mutations might result in an observable variation?

Which of the following occurs during meiosis?

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	Punnett square


	Gene


	Chromosome


	Trait



	Amino acid


	Genetic code


	Protein synthesis


	Nitrogen base



	100% dominant trait


	100% recessive trait


	50% dominant trait


	Unknown



	Homozygous genotype


	Homozygous phenotype


	Heterozygous genotype


	Heterozygous phenotype



	Gene expression


	DNA fingerprinting


	Chromosomal analysis


	Mendelian genetics



	Chromosomal replication


	Chromosomal crossover


	Two-staged cell division


	All of the above



	Uracil (U)


	Thymine (T)


	Guanine (G)


	Cytosine (C)



	True


	False


	Neither


	Both



	Yes


	No


	Unknown


	Cannot determine



	Translation


	Reproduction


	Fingerprinting


	Transcription