DNA and genetics
DNA controls these in living things
What are traits(like eye color and/or height)?
What type of mutation changes a DNA sequence to code for a stop codon too early?
Nonsense
What needs to exist in a population for selection to occur?
Variation, differential survival
What are the three parts of a DNA Nucleotide?
Deoxyribose sugar, phosphate, and nitrogen base
A DNA sequence of AGT transcribes to which mRNA codon?
UCA
What is a vestigial structure?
A structure that no longer has a use but is left over from a previous ancestor
What is the relationship of DNA, Chromosomes, and genes?
Genes are segments of DNA, which make up chromosomes.
Why are gene mutations important to biology?
They can be inherited and pass on new traits.
What pressure influenced the beak shape of the Galapagos finches?
Food availability
Using the letter R, What are the three simple dominance genotypes, and what are their names?
RR- homozygous dominant, rr: homozygous recessive, and Rr: heterozygous
What is the difference between homologous structures and analagous structures?
Homologous: Shared ancestor, same structure but may or may not have same function
Analogous: Same function, no shared ancestor
What is the term for different forms of genes?
Alleles