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Genetics

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Sierra Flatley

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Cards in this guide (12)
Does the color of a leaf affect the rate at which that leaf photosynthesizes

Yes and no. If you're comparing two healthy leaves of different species that have different leaf colors, then probably not. However, a yellowed or bleached leaf (unhealthy) will photosynthesize at a different rate, if at all.

sun and shade leaves also photosynthesize at different rates, and will have different colors.

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.

Why did Mendel use pea plants in his experiments

They Self-fertilize. -Apex

What is produced by meiosis

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

Why did mendel use pea plants in his experiment

They produce many offspring

What causes disorders such as klinefelter syndrome and turner syndrome

non disjunction of sex chromosomes

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.

An organism that reproduces sexually has a diploid number of 40 How many chromosomes will a gamete of this organism have

20

What happens directly after prophase

Metaphase

A plant can have either brown B or red b leaves Brown is the dominant trait If a plant has genotype bb which best describes the plant

Homozygous with brown leaves

When and why does DNA need to be replicated

DNA is replicated during the S phase of the cell cycle. If DNA is not replicated then the new cell will not have a copy of the DNA. If it does not have a copy of the DNA, then the cell will not be able to function properly.

What was the purpose of mendels expirements with dihybrid crossing

to find out if traits could effect the inheritance of other traits

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