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Vern Armstrong

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Cards in this guide (18)
How are mitosis and meiosis similar

they both produce new cells(apex)

they both have prophase and metaphase (anaphase)

They both involve duplicating chromosomes.

they both have simular steps.

What happens during interphase

the chromosomes are duplicated.

How are some ways that crime scene investigators identify victims and criminals

The crime scene investigators use the biotechnology and genetis technology for solving their case. They collect every sample from the crime scene and perform the laboratory tests on it which gives them clue about what would have happened on the crime scene and then DNA and the fingerprints are used to prove the identity of the person associated with crime scene

What must happen before meiosis can begin

DNA doubles and produces sister chromatids before meiosis begins.

the chromosomes must replicate

What is produced by meiosis

Reproductive cells-- egg or sperm cells--or produced by meiosis.

Which two DNA samples are the most similar

The question itself is not clear. Two cells that have just divided will have the MOST similar DNA. If we are talking about whole organisms or individuals, then clones would have the most similar DNA, similarly identical twins would have near identical DNA. Siblings have very similar DNA but not identical of course.

What does polymerase chain reaction enable scientist to make

Using the Polymerase Chain Reaction, scientists can amplify even the smallest amount of DNA, by constant cycles of separation and replication.

How are tumor cells different from normal cells

Mitosis is not regulated in tumor cells. This can cause the rapid proliferation of a large number of non-functional cells, whose only actions are to divide into more cells.

Tumor cells multiply too quickly.

What evidence did Mendel find that supported his law of independent assortment

One trait does not affect whether another trait will be passed on. -Apex

Why did Mendel study such a large sample of pea plants to determine the probability of inheritance

The more samples you use, the closer your results will match probability.

A scientist is preparing a punnett square for a dihybrid cross of a plant with a genotype of GGKk. What possible gametes can the plant produce

Gk, gk

A mother has one allele for color blindness and one Allele or normal vision what is the probability that her Gamete Will have the Allele for the color blindness

50%

How did Mendel make the F1 generation for his experiment

he crossed two pure lines

How are meiosis and mitosis different

mitosis only has to do with celluar reproduction

meiosis has to do with sex cells reproducing
Mitosis creates new cells that are used for development, repair, asexual reproduction and growth. Meiosis creates cells in order for organisms to reproduce sexually.

Which best describes probability

the likelihood that something will happen

Why can gel electrophoresis separate dna fragments

DNA fragments are negatively charged, :: Apex

A scientist wants to make a dna fingerprint and she used polymerase chain reaction and restriction enzymes what should her next step be

use restriction enzymes is the right answer for apex :)

A scientist uses material in her lab to separate dna fragments by size .what process is she using

Gel electrophoresis.

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