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Genetics

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Ursula Block

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Cards in this guide (13)
What is an allele

a form of a gene apex

What must happen before meiosis can begin

DNA doubles and produces sister chromatids before meiosis begins.

the chromosomes must replicate

Is color blindness a dominant or a recessive trait

Color blindness is a recessive sex linked trait.

If an organism has five pairs of chromosomes how many different gametes could it produce without crossing over

Ill tell you when your older

What led to scientists accepting Mendels ideas

Scientists discovered chromosomes in DNA

In Mendel's experiment why did wrinkled seeds show up in the F2 generation even though they were not present in the F1 generation

Wrinkled seeds are recessive

The F1generation carried recessive alleles.

Which would have most likely stopped mendel from finding a pattern in his reults

If seed shape did not have a clearly dominant form.

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.

Why is a dominant allele called dominant apex

it dominates the phenotype

Why did Mendel wanted to find out if the color of the seed of a pea plant affected the seed shape What experiment did he perform to test his idea

He tested seed color and shape at the same time.

APEX

Which best describes probability

the likelihood that something will happen

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