Biology - Genetics Quiz

Random Science or biology Quiz

Can you name the Biology 2nd exam?

Quiz not verified by Sporcle

How to Play
Score 0/124 Timer 20:00
A gene's specific location along the length of a chromosome.
Short appendage used for movement
ordered list of genetic loci along a chromosome
an animal's version of a cell wall. Contains glycoproteins and other carb. molecules/
Proteins built into the plasma membrane. Transmit signals between the ECM and cytoskeleton and indicate changes.
When an error is missed, other enzymes remove and replace incorrectly paired nucleotides.
When an abnormal gamete unites with a normal gamete, the zygote will also have an abnormal number of a particular chromosome
Hollow rods constructed from tubulin, grow in length by adding tubulin dimers.
An mishap in the distribution of chromosomes by the meiotic spindle which the members of homologs dont move apart properly or don't seperate during meiosis II
Heterozygotes who though they don't show any phenotypic affects, could pass the recessive allele on to the next generation
Reproductive cells which are the vehicles that transmit genes from one generation to the next.
Organism's outward appearance/observable traits
When an incorrect segment of nucleotides is incorrect, they're cut out and refilled.
Two chromosomes that have the same length, centromere, position, & staining pattern.
The inactive X in each cell of a female condenses into a compact object.
Synthesizes discontinuously as a series of segments
When the two alleles affect the phenotype in seperate, distinguishable ways
Membrane enclosed structures within eukaryotic cells.
Perforate cell walls. Membrane-line channels filled with cytoplasm.
The lesser condensed form of chromatin that can be transcribed
Occurs while replicated homologs are paired during meiosis 1.
Exists at the point where a cross-over has occured.
Genes located on the X chromosome
Outer surface lacks ribosomes. Synthesis of lipids, metabolism of carbs, detox of poison, and storage of calcium.
encloses the nucleus, separating its contents from the cytoplasm. double membrane, lined by nuclear lamina.
Site of cellular respiration, metabolic process that uses oxygen to produce ATP by extracting energy from sugars, fats, and other fuels.
An offspring whose phenotype differs from that of the true-breeding P generation parents. Also refers to the phenotype itself.
Genes located near each other on the same chromosome, they tend to be inherited together
Produced by mitotic division of a zygote, multicellular diploid.
A single individual is the sole parent & passes copies of all its genes to its offspring without the fusion of gametes.
Specialized structure in the nucleus that consist of chromosomal regions containing rRna genes and ribosomal protein. The site of rRna synthesis and ribosomal subunit assembly.
Organism that has 2 different alleles for a gene
X & Y chromosomes. They determine an individual's sex. (Females=XX, Males=XY)
Solid rods, short, and can for structural networks
flattened, interconnected sac in chloroplast
A group of genetically identical individuals.
proteins responsible for the first level of DNA packing in chromatin.
Variation in phenotype depending on whether an allele came from the male or the female
Extracellular structure of plant cells. distinguishes them from animal cells. protects plant cells, maintains its shape, and prevents excessive uptake of water.
During Prophase I duplicated homologs are connected to each other via the synaptonemal complex. Doesn't occur in Mitosis.
Individual chromosomes that carry genes derived from 2 different parents.
A netlike array of protein filaments that maintain the shape of the nucleus by mechanically supporting the nuclear envelope
Complex of DNA and protein, fits into the nucleus through an elaborate, multilevel packing system.
Organism's genetic makeup, outward appearance does not display the full picture
Studded with ribosomes on the outer surface of the membrane. Proteins attach to this.
One of a family of closely related organelles that includes chloroplasts, chromoplasts, amyloplasts, photosynthesis.
At the boundary of every cell. Functions as a selective barrier that allows passage of enough oxygen, nutrients, and wastes to service the entire cell.
Where replication of DNA begins.
Found in plants and algae, sites of photosynthesis
Protein that breaks, swivels, and rejoins DNA strands. During DNA replication, helps relieve strain in the double helix ahead of rep. fork.
The initial nucleotide chain that is produced during DNA synthesis is a short stretch of RNA. Starts a complimentary RNA chain so that DNA synthesis can continue.
Enzymes that untwist the double helix at the replication forks, separating the two parental strands and make them available as template strands.
1st filial generation
genetic map based on recombination frequencies
A long cellular appendage specialized for locomotion
Infoldings of an inner membrane
An extensive network of membrane that accounts for more than half the total membrane in many euk. cells.
Larger than microfilaments but shorter than microtubules. Specialize in bearing tension.
Diagram used for predicting the allele composition of offspring
stacks of thylakoids
A gene located on the X chromosome
Inside all cells, semifluid, jellylike substance in which all subcellular components are suspended.
During Prophase I chromosomes attach to their non-sister chromatid counterparts and exchange DNA segments, doesn't occur in Mitosis.
1/3 types of animal cell junction
A warehouse for receiving, sorting, shipping and manufacturing products of the ER.
Type of DNA replication in which the replicated double helix consists of one old strand, derived from the parental molecule, and one newly made strand.
Genotype that is associated with a range of phenotypic possibilities due to environmental influences
Only produce the same variety as the parent organism, even over many generations.
The phenotypic expression of a gene at one locus alters that of a gene at a second locus
Catalyses the synthesis of new DNA by adding nucleotides to the preexisting chain.
When subunits run in opposite directions
The phenotype for a character most commonly observed in a natural population
Bind to the unpaired DNA strands after parental strands separate, keeping them from reconnecting
Includes the nuclear envelope, the ER, golgi apparatus, lysosomes, various types of vesicles and vacuoles, and the plasma membrane.
Eukaryotic chromatin that remains highly compact during interphase and is genetically not transcribed
aneuploidy involving a missing chromosome
Characters that don't vary categorically (eg. height, skin color)
Large vesicles derived from the ER & golgi apparatus, integral part of cell's endomembrane system.
A framework of protein fibres extending throughout the nuclear interior
A region often located near the nucleus and is considered a 'microtubule organization center'
fluid outside chloroplast DNA
At the ends of replication bubbles, y-shaped region where particular strands of DNA are being unwound
The interior of a cell.
Contain a single set of chromosomes. Each has a haploid number of chromosomes. Sex cells.
Humans have 46. Includes all cells of the body except gametes & their precursors.
1/3 types of animal cell junction
Synthesizes completely using just one primer
Display of condensed chromosomes arranged in pairs. Used to screen for defective chromosomes associated with certain congenital disorders.
DNA molecules that contain no genes used to protect organism's genes from cutting too far.
An additive effect of 2 or more genes on a single phenotype character.
Gamete cells require this, reduces # of sets of chromosomes from 2 to 1 in gametes.
aneuploidy involving an extra/third chromosome
States that each pair of alleles segregates independently of each other pair of alleles during gamete formation
Alternative versions of a gene
Family tree describing the traits of parents & children across the generations
States that two alleles of a heritable character segregate from one another during gamete formation & end up with different gametes.
Breeding an organism with an unknown genotype w/ one with homozygous recessive, in order to determine the genotype of the unknown
Catalyses the lengthening of telomeres compensating for the shortening during DNA replication.
Many factors including genetics, and the environment collectively affect phenotype
Sacs made of membrane, tiny.
Proteins that have carbs covalently bonded to them.
Two parents give rise to offspring that have unique combinations of genes inherited from the two parents.
1/3 types of animal cell junction
Specialized metabolic compartment bonded by a single membrane. Cooperates with chloroplasts and mitochondrion in certain metabolic functions
2nd filial generation
Coded information in the form of hereditary units.
Mating of two variants.
Organism that has a pair of identical alleles for a gene
2nd type of life, includes both diploid & haploid stages that are multicellular.
Tiny complexes that make proteins according to instructions from the genes, all cells have these. Made of RNA and protein.
Parental generation.
The purpose of meiosis I, reduces the chromosomes in half.
Contains most of the genes in the eukaryotic cell.
Membranous sac of hydrolytic enzymes that animal cells use to digest macromolecules.
When one trait is dominant and the other is recessive
A network of fibers extending through the cytoplasm
When neither allele is completely dominant & their phenotype is a mix between the two alleles (eg. pink flowers from white and red parents)
A gene with multiple phenotypic affects
Inside the centrosome, consist of 9 sets of triplet microtubules arranged in a ring.
Each variant for a character of an individual.
Any cell with 2 chromosome sets, doesn't include sex cells.
2nd compartment of the mitochondrion, enclosed by the inner membrane. contains many different enzymes as well as mitochondrial DNA and ribosomes.
Multicellular haploid that's named for its production by mitosis of haploid gametes.
All other chromosomes, humans have 46.

You're not logged in!

Compare scores with friends on all Sporcle quizzes.
Sign Up with Email
Log In

You Might Also Like...

Show Comments