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ratelena [41]
3 years ago
9

Which condition is a malignant tumor composed of blood-forming tissues of the bone marrow?

Biology
1 answer:
NNADVOKAT [17]3 years ago
5 0
It can be osteoporosis
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How does the human system of reproduction result in people getting one copy of a sickle cell gene and one copy of a normal gene?
Bogdan [553]

Answer:

Every human has a couple of genes that will be separated when they make gametes. A baby will get one gene from each parent (one sperm and one egg).  

Sickle cell gene is inherited by an autosomal recessive pattern, which means you need both defect genes to get the disease. The person with 1 defect gene can survive and live like normal. This person called a carrier because they carry one defect gene.

Someone that carries one defect gene can come as a result if you cross normal or carrier genotype (AA/Aa) with a carrier(Aa), or with homozygote recessive that carries 2 defect genes (aa). The person will get one healthy gene from the first parent with normal genes, and one defect gene from the second parent.

3 0
3 years ago
The body of tapeworm is segmented but it doesnot belong to phylum annelidai why​
Wewaii [24]

Answer:

look

Explanation:

Flatworms, roundworms, and segmented worms are all invertebrates. Some species of each type of worm are free-living, meaning they are not dependent on another organism.Some are parasitic.

Flatworms belong to phylum Platyhelminthes. They do not have a coelom, respiratory system or a circulatory system.Tapeworms flukes are examples of flatworms.

Roundworms are part of the phylum Nematoda. They are bilaterally symmetrical invertebrates.They have a psuedocoelom. Ascaris lumbricodes is the most common human parasite.

Segmented worms are the most complex animals of these three invertebrates. They are placed in Annelida. Segmented worms have a true coelom, a circulatory system and a digestive system.An earthworm is a segmented worm.

7 0
3 years ago
A mutated form of hemoglobin, known as hemoglobin Lepore occurs rarely in the human population. Hemoglobin Lepore has a deleted
Andre45 [30]

Answer:

If it is still maintained in the human population, hemoglobin Lepore must be selected for in evolution.

4 0
3 years ago
3 alternative energy sources
yarga [219]
2. sun, wind, rain
i think it’s that
8 0
3 years ago
Why is Biology so hard?
Masteriza [31]

Answer:

Imagine studying a cell. That cell has billions of things you can learn about. Now imagine 37.2 trillion cells each a little bit different but still similar. Now imagine that multiplied by all the different people there are on earth. Now then include all the other types of living animals.

That's biology

8 0
2 years ago
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