Chapter 13 Flashcards
heredity
transmission of traits from one generation to the next
genetics
study of both heredity and inherited variation
genes
units of coded information
gametes
reproductive cells
locus
genes specific location along the length of a chromosome
asexual reproduction
single individual is the solve parent and passes copies of all its genes to its offspring without the fusion of gametes
clones
individual or group of individuals that are genetically identical to the parent
sexual reproduction
two parents give rise to offspring that have unique combinations of genes inherited from the two parents
life cycle
generation to generation sequence of stages in the reproductive history of an organism
karyotype
resulting order display of chromosomes
sex chromosomes
XY
chromosomes other than XY
autosomes
diploid cell
any cell with two chromosome sets
haploid cells
single set of chromosomes from gametes
fertilization
union of gametes culmination in fusion of their nuclei