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38 Cards in this Set

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inbreeding
the mating of individuals closely related genetically
anther
Part of a plant - the part of the stamen that contains pollen.
Allele
One of the alternate forms of the same functional gene. Alleles are separated from each other at meiosis.
chromosomes
One of the boies in the cell nucleus containing genes in a linear order. Like threads or rods of chromatin, which appear in a contracted form during mitosis and meiosis.
carrier
someone whose gene contains the recessive trait.
gametes
the mature haploid reproductive cell whose nucleus fuses with the gamete of the opposite sex (resulting in reproduction)with the resulting cell (zygote) developing into a new individual.
geneticist
a person who studies genetics - heredity and variation in organisms.
hybrid
offspring of parents that differ in one or more heritable characters; offspring of 2 different varieties or species.
heredity
the transfer of characteristics from parent to offspringby transmission of genes from ancestor to descendant.
Mendel
the father of modern genetics
insulin
a protein pancreatic hormone essential for the metabolism of carbohydrates, used to treat diabetes
generation
a body of living beingsmaking a single step in the line of descent from an ancestor.
genotype
the genetic makeup of an organism, either latent or expressed; the sum total of all the genes in an organism.
meiosis
nuclear division resulting in chromosomal division from diploid to haploid and segregation and reassortment of the genes occurs. Gametes or spores may be produced.
select breed
purposeful crossing of species
Secretariat
a carefully bred race horse.
sickle cell
an inherited disease that results in misshapen blood cells.
punnett square
the checkerboard diagram used to analyze gene segregation.
environment
surroundings, habitat, including food, shelter, education, parenting, etc., all of which may affect behavior and health.
pistil
the single or fused carpel of a plant, usually containing a stamen, stigma and ovary.
drosphila
the Latin name for the fruit fly
mitosis
nuclear division characterized by exact chromosome duplication and the formation of two identical daughter cells.
dominant
a trait that exerts its full effect regardless of its allele.
genotype
the genetic makeup of an organism,
diabetes
an inherited disease that prevents proper processing of insulin in the body.
mutation
an inheritable change in the chromosomes.
offspring
the young or children of an animal or plant
pure
gentically stable and free from any inbreeding for one or more characteristics or traits.
recessive
a gene whose expression is masked by a dominant allele.
replicate
to produce a replica or copy of itself.
hemophilia
an inherited disease of the blood characterized by lack of clotting.
color blind
a vision defect produced by a recessive allele of the normal gene.
cross pollinate
the exchange of sperm between two plants and subsequent fertilization.
identical twin
twins born as a result of the splitting of one fertilized egg.
fraternal twin
twins born of two separate and diffrent fertilized eggs
gene pool
all of the alleles of a gene in a population
genetics
The study of heredity and variation in organisms.
phenotype
the observable characteristics of an organism resulting from the interaction between its genetic makeup and the environment.