200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Genetics DNA Technology Evolution Potpourri DNA & PS.

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Presentation transcript:

Genetics DNA Technology Evolution Potpourri DNA & PS

Having two different alleles for a trait EX Tt is called this

HETEROZYGOUS

Traits that have a bell curve of phenotypes (not just two or three) EX/ skin color, IQ, birth weight

POLYGENIC

How many chromosomes does a normal human have?

46

Where would you expect genes that assort independently to be found?

ON DIFFERENT CHROMOSOMES

If an organisms haploid number is 20, what is it’s diploid number?

40

What enzyme is used to add new DNA nucleotides to the new strands of DNA during DNA replication?

DNA POLYMERASE

Which kind of RNA brings the copy of the gene from the nucleus to the ribosomes for protein synthesis?

mRNA

Information in the cell goes from DNA  RNA  to what?

PROTEIN

If a DNA sample contains 13% Adenine, how much Guanine would it contain?

37%

This is where transcription takes place

NUCLEUS

In this process, external DNA is incorporated into a cell.

TRANSFORMATION

This process uses chopped up DNA in a gel to determine paternity or solve a crime

DNA FINGERPRINTING

DNA created by combining DNA from more than one source

RECOMBINANT DNA

These “molecular scissors” are used to cut up DNA into smaller pieces

RESTRICTION ENZYMES

Changing the sequence of DNA of an organism

GENETIC ENGINEERING

All of the genes in a population of organisms

GENE POOL

Body parts that once were useful but no longer are (EX/remnants of 3 rd eyelid & appendix in humans)

VESTIGIAL STRUCTURES

Genetic drift tends to occur more frequently if a population is this

SMALL

Natural selection acts upon these

PHENOTYPES PRESENT IN A POPULATION

When two species adapt and evolve in response to one another (EX/Bees and flowering plants)

COEVOLUTION

The two-word naming system developed by Linnaeus

BINOMIAL NOMENCLATURE

Using binomial nomenclature, which word gets capitalized?

GENUS ex/ Felis domesticus (Genus) (species)

Selection that favors the average phenotype (pressure against two extremes)

STABILIZING

Failure of chromosomes to separate during meiosis

NONDISJUNCTION

Genes contain the instructions for building these:

PROTEINS