Science Flashcards
Ancestor
a person from whom one is descended from (parent, grandparent, great grandparent)
Descendant
a person, plant, or animal that is descended from a particular ancestor (child, grandchild, great grandchild
Asexual reproduction
One parent; offspring are identical to the parent and each other (uniform)
Sexual reproduction
Two parents; offspring differ from each parent and each other (diverse)
chromosome
made of DNA located in the nucleus; contains genetic information needed to carry out cell functions and make new cells
Allele
one of two or more genes that may occur on a chromosome
Diverse Offspring
Diverse Offspring
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
one of two or more genes that may occur on a chromosome
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)