bilogy w\rds Flashcards
What does Genetics mean
the study of how genes and how traits are passed down from one generation to the next
What does gene mean
a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring
What does Chromosone mean
a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
What does trait mean
a characteristic of an organism that can be physical or behavioral
What does hereditary mean
relating to or passed down from parents to offspring through genes
What does Alleles mean
one of the different versions of a gene
What does inheretence mean
the passing of genetic traits from parents to their offspring
What does pollination mean
the process of moving pollen from the male part of a flower to the female part
What does self-pollination mean
when pollen from a flower’s anther is transferred to the stigma of the same flower or another flower on the same plant
What does crosspollination mean
the process of transferring pollen from one flower to another flower on a different plant of the same species
What does crossbreed mean
an organism that is produced by mating two individuals from different breeds within the same species
What does fertilization mean
the process where a male gamete (sperm) fuses with a female gamete (egg) to form a single cell called a zygote
What does pistil mean
The ovule producing part of a flower
What does stamen mean
The pollen producing part of a flower, usually with a slender filament supporting the anther
What does True breeding mean
an organism consistently produces offspring with the same phenotypic traits when bred with another organism of the same type
What does P generation mean
the first set of parents used in a genetic cross experiment
What does F1 generation mean
the first generation of offspring produced from a cross between two distinct parents
What does F2 generation mean
the second generation of offspring produced by breeding two members of the F1 generation
What does hybrids mean
an organism that is the offspring of two parents belonging to different species or subspecies
What does dominant mean
What does reccessive mean
What does miosis mean
What does segregate mean
What does genotype mean