Genetics and Evolution

Question 1

genes

Answer 1

DNA sequences that code for heritable traits that can be passed from one generation to the next

Question 2

chromosomes

Answer 2

holds all genes to ensure that genetic material is passed easily to daughter cells during mitosis and meiosis.

Question 3

allele

Answer 3

an alternative form of a gene

Question 4

genotype

Answer 4

genetic combination possessed by an individual

Question 5

phenotype

Answer 5

observable trait like hair color

Question 6

each human being possesses two copies of each chromosome called

Answer 6

homologues

except for male sex chromosomes

Question 7

each gene has a particular location on a specific chromosome called the

Answer 7

locus

Question 8

if only one copy of an allele is needed to express a given phenotype, the allele is said to be

Answer 8

dominant (upper case letter)

Question 9

if two copies of an allele is needed to express a given phenotype, the allele is said to be

Answer 9

recessive (lower case letter)