Biology Concepts 1

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when in mitosis do chromosomes line up at the equator of the nucleus
reproductive isolation when parts dont work together is called
sickle cell anemia is an example of what selection
after which phase of meiosis would the cells be considerede haploid
haploid sex cells
when in mitosis do the centomeres split and the sister chromatids pull apart
body structures that have no purpose
the part of the cell cycle when the cell is not dividing is called
how many autosomes are in most of your cells
a mistake in meiosis
tuang child was a member of this species
scientist who defined species as a group of individuals that could breed with one another and produce viable offspring
ratio of different genes in a population is
first known to make tools, Handy man
scientist who discovered evolution by natural selection
if the diploid number for a species of fungi is 22 then the haploid gamete number would be
diagram of the genetic relationships within a family
organism with 2 different alleles is
which is not an example of artifical selection
scientist who found first evidence of Australopithecus africanus in south africa
human ancestors developed in
Homologous chromosomes are seperated during
division of cytoplasm is called
what is our closest relative alive today
selection towards PQ
probabilities are closer to expected ratios what kind of sample
which process is used to produce gametes
this is done by meiotic cells to combine maternal and paternal chromosomes DNA
when in mitosis does cleavage begin to divide the nucleus into 2 nuclei
geologist who theorized the world was old
individual gene that affects more than one phenotypic trait is called
which process is involved in production of haploid cells
the DNA is replicated during which part of a cells life cycle
what blood type is dominant
which gender will show many more sex linked phenotypes
change in allele frequency that happens for a reason
at which meiotic stage is the process stopped if there is an empty spindle fiber
body parts that dont show linkage but are used for the same purpose
speciation not with physical barriers
who is the father of genetics
traits that have more than 2 possible allels are considered to be
an individuals non-sex chromosomes
were outcompeted by modern humans 40,000 years ago
selection towards either P or Q
individual who inherits an extra chromosome
universal donor
which process is utilized in asexual reproduction
human gamete has how many chromosomes
is meiosis different between males and females
the physical appearance of an individual
a karyotype is performed on a cell that is in which portion of the cell cycle
most common mutation
which process involves formation of diploid cells
what happens during meiosis that leads to addition or deletion of chromosomes
reproductive isolation due to timing is
in Hardy-Weingberg equations the recessive allele is represented by a
autosomes become mutated more than sex chromosomes
genetic law states 2 alleles are present per trait and they seperate during meiosis
which genetic law states that one allele will completely cover another
the different expressions of a single gene
is a zygote a exact copy of the 2 parents
most of the cells growth occurs during
which process is identical in male and female animals
what are used to remove excess DNA when making an egg cell
first to leave africa and stand upright
when in mitosis does the DNA coil into a tighter formation
this genetic law states that any one trait is inherited alone and not connected to others
the only hoiminid alive today
which process(crossing over,phrophase 2, anaphase 1, telophase 2) has nothing to do with genetic determination for future offspring
scientist who discovered homo habilis and homo erectus
a map of an individuals chromosomes
dominant allele
behavorial isolation is an example of what speciation
bipedal mammals that are members of the family of man
species of lucy
when is it decided which gamete will recieve the paternal or maternal copy of each homologous chromosome
the 2 paired sides of the chromosome that hold the genetic information
charles darwins book
scientist who theorized the passing on of required traits
newly feritlized egg
the middle part of a chromosome that holds the genetic information
which parent determines gender of an offspring
which process makes identical copies of a parent cell
what is the end result of mitosis
the actual genetic info. that is stored in chromosomes is made up of
what is not part of mitosis(interphase,prophaes,metaphase,anaphase)
scientist who discovered lucy
speciation brought by a physical barrier
sister chromatids are seperated during which phase of meiosis
heterozygous phenotype is a blend of dominant and recessive
mistakes during meiosis are called
when in mitosis do chromosomes first become visible
the part of the cell cycle when the cell is dividing is called
what is seperated during meiosis I
body parts that show linkage but are used for different functions
which part of meiosis is the process of mitosis most similar to
which mutation is the driving force of evolution
human cell with 46 chromosomes
all alleles in a population make up a
the actual genetic make-up of an individual
mitosis is the division of
blood type that can recieve blood fromn anyone
claimed famine, disease, and war were needed to control human population
single phenotypic trait that is controlled by more than one pair of alleles is a
if the heterozygous phenotype shows both dominant and recessive alleles
random change in availability of a gene in a population

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Created Jun 7, 2010ReportNominate
Tags:biology, definition, concept