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damaskus [11]
3 years ago
9

An african american couple is undergoing genetic counseling to determine the likelihood of producing children with a recessively

genetic blood condition. the genetic tests reveal that the father carries the trait to produce abnormal hemoglobin, hbs, which causes crystallization in rbcs and deforms their shape when o2 is low. this condition causes painful crises and multiple infarcts and is termed
Biology
1 answer:
Leona [35]3 years ago
5 0
For the answer to the question above, they are suffering from <span><u>"Sickle cell anemia"</u>. This is </span>a group of disorders that affects hemoglobin, the molecule in red blood cells that delivers oxygen to cells throughout the body. People with this disorder have atypical hemoglobin molecules called hemoglobin S, which can distort red blood cells into a sickle, or crescent, shape.

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Write a paragraph 4-5 sentences as to which one you think is better sexual or asexual reproduction
jenyasd209 [6]

Answer:

Asexual

Explanation:

I think Asexual reproduction is better because you only need one reproduction Creature. For example plants, they are asexual so they do not need to worry about mating. Instead they can just create more plants by doing nothing. This helps us because we get more plants in a shorter amount of time. another example of Asexual reproduction is cross-pollination which is also an amazing way of creating more plants in a shorter time.

8 0
3 years ago
According to some botanists, invasive plants are the second most serious threat, after habitat loss, to native species of plants
ivanzaharov [21]

Answer:

E. threat to native species of plants and animals as well as to maintaining biologically diverse ecosystems, after losing their habitat

7 0
4 years ago
Btx depolarizes the membrane and prevents repolarization. what effect would this have on electrical signaling by the nervous sys
strojnjashka [21]
BTX or batrachotoxin is a type of steroidal alkaloid which was first derived from the skin of Dendrobatidae or poison dart frogs. This neurotoxin prevents the muscle and nerve cells from transmitting electrical signals. The toxin permanently blocks electrical signal transmission from the nerves to the muscle by binding and inactivating the sodium channels.  
5 0
3 years ago
Read 2 more answers
How would the plants in a specific environment be impacted if there was a sudden drop in the amount of bacteria present in that
shtirl [24]
When bacteria decompose, they leave behind nutrients. These nutrient then filter unto the roots of the plants via the water that it sucks up. A loss in certain nutrients could be the death of this plant.

8 0
3 years ago
4C302<br> How many molecules are there for the formula above?<br> 12<br> 2<br> 4<br> 3
padilas [110]

Answer:

they're 2

Explanation:

7 0
3 years ago
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