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Genetics

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Gussie Bechtelar

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โˆ™ 2021-10-07 18:33:45
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Cards in this guide (21)
What is an allele

a form of a gene apex

What is sna internetworking

sna internetwoking -features

What must happen before meiosis can begin

DNA doubles and produces sister chromatids before meiosis begins.

the chromosomes must replicate

Examples of co-dominance and incomplete dominance

Human blood types are an example of co-dominance, and pink Snapdragons are an example of incomplete dominance.

In mendels experiment a trait that always disappeared in the f1 generation but reappeared in the f2 generation was called the

recessive trait

What is the term for the two sets of chromatids formed in the parent cell

Tetrad

Why is it necessary for meiosis to produce cells with fewer chromosomes

If it did not, the chromosome number would double in each generation.

What is a true statement about Y chromosomes

Only men have them.

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

Codominance.

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

If seed shape did not have a clearly dominant form.

What is an allele-

An allele is an alternative form of a gene that is found at the same location on a chromosome.

What discovery in the 1900s supportd mendal's ideas

Chromosomes

Which best describes the law of independent assorrtment

The factors for each trait are separated independently when sex cells form.

What was the ratio of dominant to recessive phenotypes in F2 generation of Mendel's experiments.

3:1

What mendel trying to determine

how traits are passed to offspring

How did Mendel make the F1 generation for his experiment

he crossed two pure lines

Mendel wanted to find if the pattern of inheritance for another what experiment did he perform to test this idea

He tested seed color and shape at the same time.

Apex :)

The height of a type of plant is a normal distribution. Some plants are tall and some are short but most are in between. What is most likely true about this trait A. The height is a Mendelian trait. B

several different genes control height (apex)

Why is a dominant allele called dominant apex

it dominates the phenotype

What happens in telophase 1 in meiosis 1

Telophase I of meiosis results in two nonidentical haploid nuclei.

Which best describes a gamete

A haploid cell

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