unit 4 genetics Flashcards
Ancestor
a person from whom one is descnded from
descendant
a person plant or animal that is descended from a particular ancestor
asexual reproduction
genetic material is donated from only one parent; offspring are identical to the parent and each other (uniform)
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 paren
DNA
located in the nucleus; determines the genetic traits of an organism (deoxyribonucleic acid)
Gene
a segment of DNA found on a chromosome; determines the inheritance of a particular trait
Heredity
the passage of genetic instructions from one generation to the next
Genetics
the study of heredity and the variation of inherited characteristics
Sexual reproduction
genetic material is donated from two parents; offspring differ from each parent and each other (diverse
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)