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Levart [38]
2 years ago
6

A student is building a model of a parallel circuit consisting of a battery, a switch, live light bulbs

Biology
1 answer:
Strike441 [17]2 years ago
7 0
The correct answer would be A
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The fossil record shows that some animals, such as the horseshoe crab, have existed unchanged for millions of years. Other organ
Leno4ka [110]

The horsehoe crab because it was one of the first animals to ever live on earth

6 0
3 years ago
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In fruit flies, one genotype for red eyes is written XRXR. The R stands for the dominant allele for red eyes. What does the X st
Reil [10]

Answer:

The correct answer is : the female chromosome

Explanation:

  • According to the question, it is mentioned that R is a dominant allele, responsible for the red eyes.
  • RR is a genotype for Red eyes.
  • A fruitfly has a diploid genotype which means each trait is represented by a pair of chromosomes.
  • In the above question, the dominant red eye colour trait is represented by the pair of chromosomes RR.
  • Therefore, XX must represent another trait.
  • By convention, a pair of X chromosomes (XX) represent a female and a combination of X and Y chromosomes (XY) represents a male.
  • Given XX genotype represent a female fruitfly chromosome.

6 0
3 years ago
Why is it impossible for offspring to show recessive trait if one parent is homozygous for the dominant trait?
Luden [163]

If you make a punnet square out of this, there is no possibility to have a recessive trait because neither parents have it plus dominant is always going to overrule recessive traits.

5 0
3 years ago
A virus kills the host cell and explodes the virus out into the environment. What type of replication life cycle is this
tatuchka [14]

Answer:

Lytic

Explanation:

Brainly deleted my answer? The correct answer is Lytic. The type of replication life cycle is Lytic.

8 0
3 years ago
It is winter where Jenna lives. It’s been snowing all day, but now the snow has changed to sleet and then to freezing rain. What
DedPeter [7]
The cause behind these changes is the that the temperature is changing while it is raining, so when it drops to 32 degrees F or below, it is snow. At 32 degrees F, it is sleet, and at higher than 32 degrees, it is going to be freezing rain.
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3 years ago
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