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Nuts & Bolts

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Mendal 100

What organisms did gregor mendal do his research on?

Pea Plant

Mendal 200

Is this a boy or a girl and is there anything abnormal about this karyotype? Boy and

abnormal

Mendal 300

Whose gametes determine the sex of the baby?

Males have X and Y chromosomes

Mendal 400

What does the law of independent assortment mean?

The alleles for different characteristics are distributed to gametes independently.

Mendal 500

Four O’Clocks are plants that exhibit

incomplete dominance for flower color. The flowers can be red, pink, or white. Red is represent by a “R” and white by a “r”. What is the genotype for pink flowers? What is the chance two pink flowered plants will have pink offspring?

50% Rr

Cross100

D: Purple flowers(P) R: White flowers (p)

What are the possible genotypes of the offspring of the following cross: Pp x PP?

Genotypes PP and Pp.

Cross 200

Pea Plants can have purple (dominant) flowers or white (recessive) flowers.

When crossing Pp and Pp, what is the percentage of the offspring that will havewhite flowers?

25%

Cross 300

What are sex-linked traits?

Genes found on the sex chromosomes.

Cross 400

What would the correct notation for sex-linked hemophilia look like for a carrier mother and a normal father?

Mother XhX or XHX h

Father XY or XHY

Cross 500

What is the chance that a couple’s son will be colorblind if the father is color blind and the mother is homozygous for normal vision?

0%.

Your Old100

How old is the Earth?

4.5 BillionYears

Your Old 200

What is the name of the process used to tell how old things are like rocks?

Radioactive Dating

Your Old 300

The theory of evolution was created by ____ after he went to the _______?

Charles Darwin and Galapagos Islands

Your Old 400

What are homologous features?

What are they evidence of?

Features that have similar STRUCTURE but may serve a different FUNCTION

Evidence of common ancestor

Your Old 500

What are Analogous Features?

Provide an example.

Are they evidence of a shared ancestor?

Structures that serve the same function but have a different structure.

The wings of a moth and the wings of a bird. Do the same job (fly) but built differently.

NO

Nuts & Bolts100

What is a monohybrid cross?

Cross between individuals looking at 1 trait.

Nuts & Bolts 200

What is the name of the process by which individuals that are best suited to their environment reproduce more successfully and pass the favorable trait on to their offspring leading to a change in the proportion of the population with the favorable trait?

What does it lead to?

Natural Selection Evolution

Nuts & Bolts 300

What are Vestigial Structures?

A feature that serves no purpose to the organism that currently has it but it was helpful

to an ancestor.

Nuts & Bolts 400 What role does

the environment play in Natural Selection?

What role do humans play in artificial selection?

The environment exerts selective pressure (selects the traits that are most successful).

Select the traits that are wanted through breeding.

Nuts & Bolts 500

On a pedigree what does a half -shaded circle represent?

What does a completely shaded square represent?

Carrier or heterozygous female.

Affected male