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Serggg [28]
2 years ago
12

In humans and other mammals, dosage compensation is achieved by

Biology
2 answers:
Dmitriy789 [7]2 years ago
5 0
I believe its when you <span>silencing one of the two X chromosomes in female cells...

Hope I helped

</span>
gregori [183]2 years ago
3 0
Silencing of one of the x chromosome in human female
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Which guinea pig parent(s) in Punnett Square B is homozygous? Which is heterozygous? Explain how you know.
ArbitrLikvidat [17]
You did not provide an image for me, but I can explain.

Homozygous, with the root homo, means same. Therefore, a guinea pig parent with homozygous traits would have the traits being the same - either both recessive or both dominant, ie TT, tt.

Heterozygous on the other hand means different, therefore the traits would be one dominant and one recessive - for example, Tt.

If for the punnet square it has different traits (Combo RB for red and black or combo RW red white for like fur color) than heterozygous would be any that isn’t like TT or tt or any other letters used.

Hope this helps!
5 0
2 years ago
In a population of pea plants, 36 plants are homozygous for the dominant trait of yellow peas (YY), 48 plants are heterozygous f
baherus [9]

Answer:

The correct answer would be C. 0.60

It can be calculated with the help of Hardy-Weinberg equation i.e

p² + q² + 2pq = 1

Also, p + q = 1

  • where p represents the frequency of dominant allele.
  • q represents the frequency of recessive allele.
  • p² represents the frequency of homozygous dominant genotype .
  • q² represents the frequency of homozygous recessive genotype .
  • 2pq represents the frequency of heterozygous genotype.

Number of homozygous dominant (YY) = 36

Number of homozygous recessive (yy) = 16

Number of heterozygous dominant (Yy) = 48

Total number of plants = 100

Now, frequency of homozygous dominant (YY) = 36/100 = 0.36

Therefore, p² = 0.36

So, p = √0.36 = 0.60

Hence, frequency of dominant allele (Y) = 0.60

5 0
3 years ago
A device that changes electrical energy into mechanical energy?
spin [16.1K]
A device that changes electrical energy into mechanical energy is a electric motor.
4 0
2 years ago
Read 2 more answers
Name three countries, from the north-east north-west and southern hemisphere, for the tundra biome
ohaa [14]
In the southern hemisphere, the tundra includes Antarctica. The arctic tundra in the northern hemisphere includes parts of Russia, Iceland, Canada, Norway, Greenland, and Alaska (state in the US).
7 0
2 years ago
An ionic bond is formed when _____. See Concept 2.3 (Page 37) An ionic bond is formed when _____. See Concept 2.3 (Page 37) both
Rufina [12.5K]

Answer: The ionic bond is when one atom transfers an electron to another atom

Explanation:

Ionic bond is formed between oppositely charged substances - a positively charged substance, and a negatively charged substance.

Usually, an atom donates its electron (become positively charged) to another atom to complete its outermost shell (becoming negatively charged).

Thus, the formation of transfer of electrons creates an IONIC BOND

5 0
2 years ago
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