Chapter 3 Flashcards
Gene
Unit of heredity transferred from parent to offspring
Haploid cell
Single set of unpaired chromosomes
Diploid Cell
2 complete sets of chromosomes, one from each parent
Gamete cell
Mature haploid cell (sex cell), able to unite with that of opposite sex to form zygote.
Somatic cell
Any cell other than sex cells
Phenotype
Organism’s observable traits
Genotype
Genetic make up
Homozygous
2 identical alleles
Heterozygous
One of each type of alleles
Dominant
Trait that shows
Recessive
Trait gets masked unless with another recessive
Allele
One of 2+ alternative forms of a gene that are found at the same place on a chromosome
Mitosis
Creation of 2 cells from one
Replacement
Meiosis
Similar to mitosis only in gametes
-produces single haploid cell, allows for variation