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ankoles [38]
3 years ago
12

PLEASE HELP ON THIS QUESTION

Biology
1 answer:
andriy [413]3 years ago
8 0

Answer: I believe it is c

Explanation:

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Sickle cell anemia and albinism are both recessive traits in humans. Imagine that a couple, already pregnant with fraternal twin
lidiya [134]

Answer:

81/256

Explanation:

By doing a test cross of albinism and sickle cell anemia you'll see that the probability that one child is unaffected by either conditions will be 9/16. Both children would be 9/16 * 9/16.  

Since fraternal twins are developed from two separate fertilization events the probability chance will be independent.

7 0
3 years ago
the genes stc1 and stc2, which share a common ancestor, are found in both zebrafish and humans. all four stc genes display simil
Temka [501]

Based on these facts, we can state that the genes of the two organisms had a eukaryotic origin.

We can arrive at this answer because:

  • Despite having exons, prokaryotes do not have introns in their genomes.
  • This means that if two organisms have the same sequence of introns and exons, they have a common ancestor, in addition to having their genes originated in a eukaryotic organism, which explains the sequence of introns.

This means that the genetic expression of these two organisms has similarities, even if they are organisms with different biological processes.

More information:

brainly.com/question/3641593?referrer=searchResults

5 0
2 years ago
4. How does the cell wall compared to the organelles?
oksian1 [2.3K]

Answer:

4.Cell wall protects the cell whiles organelles are found in the cell itself which is having the cell wall

6 0
3 years ago
Read 2 more answers
Ir teacher D UT
vlabodo [156]

ALL animals make use of other animals and organisms for food. They are heterotrophic so they have to get energy elsewhere.

ALL animals are capable of motion at some stage of their lives.

Animals developed specialized cells and tissues that are advanced and complex.

And because all animals eat I would assume they all digest the food they ingest. Other than parasites who don't really digest their food.

7 0
3 years ago
What are the factors that determine the level of harm an introduced chemical has on the environment? (Site 1)
astra-53 [7]

Answer:

Following are the factors are given below:-

Explanation:

In general, the toxicity of a substance depends on the following factors.

  • Chemical type and inherent behavior.
  • Dosage, in particular the link dose-time.
  • Exposure route.
  • Species.
  • Stage in life, such as child, young adult, or an older adult.
  • Gender.
  • Fitness to drink.
  • Metabolism.
  • Allocation inside the organ.
  • Excretion
  • Human safety, including organ function and childbirth, requiring physical effects that can affect toxicity.
  • Nutritional status
  • Many chemicals are available.
  • Circadian rhythms (the time of day caused by a medication or other substance)

4 0
3 years ago
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