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pishuonlain [190]
3 years ago
8

Why does condensation occur in a newly fertelized egg?

Biology
1 answer:
faust18 [17]3 years ago
3 0

Answer:

Meiosis, in contrast, is a specialized kind of cell cycle that reduces the ... The development of a new progeny organism is then initiated by the fusion of ... then occur in the absence of cell growth, rapidly dividing the fertilized egg into ... As in mitosis, MPF then induces chromosome condensation, nuclear envelope breakdown, ..

Explanation:

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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

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What are four jobs of the cytoskeleton
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