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3 years ago

Help me now!!!!

2 answers:

6 0

Divergent boundaries -- where new crust is generated as the plates pull away from each other. Convergent boundaries -- where crust is destroyed as one plate dives under another. Transform boundaries -- where crust is neither produced nor destroyed as the plates slide horizontally past each other.

Transform boundaries are places where plates slide sideways past each other

Reil [10]3 years ago

5 0

Answer:

i hope this helps a bit (:

Explanation:

Divergent Boundary: A linear feature that exists between two tectonic plates that are moving away from each other

Transform Boundary: Transform boundaries are places where plates slide sideways past each other

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A randomly mating population of 100 dairy cattle contains a recessive allele that causes dwarfism. If there are 16 dwarf calves

hichkok12 [17]

Answer:

Frequency of heterozygous carriers of the allele in the entire herd is $0.48$ i.e $48$ out of $100$

Explanation:

It is given that a recessive allele pair produces a dwarf cow.

Let this recessive allele be represented by "t" and the dominant allele for tall height trait in cows be "T".

Given

Total population of randomly mating cows $= 100$

Total number of dwarf calves in the population $= 16$

Frequency of genotype "tt" producing dwarf calves is represented as $q^2$ in HW equilibrium equation.

Here

$q^ 2 = \frac{16}{100} \\q^2 = 0.16$

Frequency of recessive allele is equal to "q"

$q = \sqrt{0.16} \\q = 0.4$

As per first equilibrium equation of HW,

$p + q = 1\\p + 0.4 = 1\\p = 1-0.4\\p = 0.6$

Frequency of genotype "TT" producing dwarf calves is represented as $p^2$ in HW equilibrium equation.

$p^2 = 0.6^2 \\p^2 = 0.36$

As per HW's second equilibrium equation

$p^2 + q^2 + 2pq = 1\\$

Substituting the given values in above equation, we get -

$0.36 + 0.16 + 2pq = 1\\2pq = 1-0.16-0.36\\2pq = 0.48$

Frequency of heterozygous carriers of the allele in the entire herd is $0.48$ i.e $48$ out of $100$

8 0

3 years ago

What science and biology have in common and why

Ksivusya [100]

Biology is the study of life, and uses the scientific method, the basis of science, to do so. Hypotheses are made, tested, and remade, until a theory is made, which then becomes Scientific law.

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3 years ago

What trait would make an individual likely to survive and reproduce in a pest population that feeds on pest-resistant plants?

natulia [17]

Answer:

Upon exposure to insecticides, insects that do not carry the resistance genes die, thus allowing the individuals with the resistance genes to survive and reproduce, creating more resistant insects. With every generation the number of resistant insects increase.

Explanation:

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3 years ago

The ovary develops into the fruit if pollinated. A. True B. False

BARSIC [14]

Answer:

A. True

Explanation:

The ovary surrounding the ovules develops into a fruit.

7 0

3 years ago

Which of these is an example of a chemical change?

balu736 [363]

Answer:

D...lighting a match

Explanation:

because you cannot get back the original match back

4 0

3 years ago