intro to genetics Flashcards
ancestor
one of the people from whom a person is descended [ex: great great grandparents]
descendant
someone who is related to a person or group of people who lived in the past [great great grandchild]
asexual reproduction
a mode of reproduction that does not entail the union of sex cells or gametes.
sexual reproduction
two parents do a special dance and then they get a baby. you see, when a mommy and a daddy love each other very much…
chromosome
a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
allele
one of two or more genes that may occur on a chromosome
diverse offspring
offspring are different from parents
uniform offspring
offspring are identical to the parent
dna
located in chromosomes; determines the genetic traits of an organism (deoxyribonucleic acid)
gene
a segment of DNA; determines the inheritance of a particular trait
heredity
the passage of genetic instructions from one generation to the next
genetics
the study of heredity
traits
behavioral characteristics or physical attributes of an organism that are expressed by genes and/or influenced by the environment
heterozygous
if an individual carries two different genres for a trait (Aa)
homozygous
if an individual carries the same two alleles for a gene (AA or aa)
