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Genetics

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Clovis Abshire

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Cards in this guide (15)
What determines the traits of an organism

the genotype

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.

Why do more people have attached rather than unattached earlobes

Cause attached earlobes are the dominant trait. Unattached earlobes are reccessive.

In which generation were recessive traits visible Mendel's experiments

F2 Generation

What is it called when two forms of a trait are both dominant at the same time

Codominance. It's the case of AB blood types, for instance. Neither trait is dominant over the other, so both manifest.

What is true of the allele pair of someone with a genotype TT

The allele pair of someone with a genotype TT is homozygous dominant.

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.

What would most likely stopped Mendel from finding a pattern is his results

if seed color and shape were located on the same chromosome

What inheritance pattern best explains how genes influence human height

Polygenetic inheritance

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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