What is the complementary DNA strand? ATGCTAGTAATGCT
TACGATCATTACGA
What do the letters on the inside of a punnett square represent?
Possible genotypes of offspring
Vocabulary: gene that is only expressed in the homozygous state
Recessive
A homozygous recessive parent and a heterozygous parent are crossed. Draw the punnett square and bring to me.
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What nitrogen bases are found in RNA?
A, U, C, G
What nitrogen bases are found in DNA?
A, G, T, C
Vocabulary: Double-stranded nucleic acid
DNA
What is the product of DNA replication?
Two identical DNA molecules
Vocabulary: gene that is always expressed
Dominant
Vocabulary: Variation of a gene
Allele
What is the complementary RNA strand? TACGTATGCGAGCT
AUGCAUACGCUCGA
What are the three parts that make up a nucleotide?
5-Carbon sugar, phosphate group, nitrogenous base
What is Chargaff's rule?
%A = %T, %C = %G
Vocabulary: Genotype made up of different alleles
Heterozygous
Vocabulary: Study of heredity
Genetics
One leg is dominant (L) to two legs (l). If two parents that carried the gene for two legs were crossed, what is the probability that the offspring will be homozygous recessive?
1/4, 25%
Vocabulary: single-stranded nucleic acid
RNA
What is a phenotype?
Observable trait
What is a genotype?
Determines a trait that will be expressed (represented in dominant/recessive)
What do the letters on the outside of a punnett square represent?
Genotypes of parents
Vocabulary: genotypes made of the same alleles
Homozygous
Name 2 differences between RNA and DNA.
Vocabulary: A section of DNA that codes for a protein
Gene
Vocabulary: DNA that is wound up around a protein
Chromosome
Give na example of a mutagen.
Answers vary
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