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Ludmilka [50]
3 years ago
6

Why did mendel use cross pollination and not self pollination

Biology
1 answer:
Studentka2010 [4]3 years ago
6 0

He wanted to see how different traits passed through the pea plants he grew. To do this, he needed to cross polliante so that their were multiple parents affecting the genes of the new pea plant. If he self pollinated, all the new baby pea plants would Look the same as their parents and we wouldn't know as much as we do about genetics now

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Show the possible genotypes and phenotypes of the offspring from a cross between a heterozygous male with type A blood and a het
s2008m [1.1K]

Answer:

here

Explanation:

Heterozygous male with type blood A has the genotype of IA IO. Heterozygous female with blood type B has the genotype of IB IO.

Crossing IA IO × IB IO;

25% IA IB - blood type AB

25% IA IO - blood type A

25% IB IO - blood type B

25% IO IO - blood type O

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4 years ago
Why does the oceanic crust sink beneath the continental crust at a subduction boundary?
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The answer is B hope this helped!
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3 years ago
What protects cells from the particles outside
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The Cell Wall protects the cell from particles outside.
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3 years ago
Daryl learns that millions of years ago, Earth's climate went through a
Mashcka [7]

Answer:

Plants that adapted to the cooler conditions would survive and rapidly evolve into a  new species.

Explanation:

<em>The plants will react by evolving through natural selection.</em>

The plant species that do not have the genes to adapt to the rapid change in climate would become extinct while those with adaptive genes will survive, reproduce, and contribute rapidly to the development of future generations.

In other words, natural selection selects for individuals with adaptive genes and ensures that such individuals reproduce more and give rise to future generations with the adaptive gene while individuals that are poorly adapted to the change in climate gradually fade off the population.

Hence, <u>the plants that adapted to the cooler conditions would survive and rapidly evolve into new species</u>.

8 0
3 years ago
A woman with color-normal vision, but whose father was color blind, marries a man with normal vision. They are expecting a child
kotegsom [21]

To know what happens here, you need to analyze the alleles.

If the father is color blind and the daughter is not, you can suppose that is a recessive allele.

You can tell she is a carrier only, and because we received one sexual allele from each parent. If they ask you about the gender, we can suppose a cross between Xx and XY being lower x the recessive allele (color-blind vision).

When you draw the Punnett square, you'll found the probabilities are XX, XY, Xx, and xY.

So, you have a 50% chance of having a boy and 25% chance of having a color-blind boy.

4 0
4 years ago
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