Science Quiz / Biology - Genetics Quiz

Random Science or Biology Quiz

Can you name the Biology 2nd exam?

Quiz not verified by Sporcle

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

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


Top Quizzes Today

Score Distribution

Your Account Isn't Verified!

In order to create a playlist on Sporcle, you need to verify the email address you used during registration. Go to your Sporcle Settings to finish the process.