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