Through the walls of the is where the exchange of oxygen and carbon dioxide takes place

1 answer:

5 0

The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.

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Detached earlobes are dominant. If a mother has the genotype Ee and a father has the genotype EE. What is the chance that their

Alona [7]

You must make a Punnet square.

E E
E EE EE

e Ee Ee
(I can't make it, but this is what you fill in)

As you can see, there's two EE and two Ee. Each still has at least one dominant E, so all are dominant. Your answer is a 100% chance they'll have detached earlobes.

3 0

3 years ago

A pea plant with round seeds has the genotype rr. if you cross this plant with a wrinkled-seed plant, genotype rr, what is the p

Lapatulllka [165]

I think you wrote this wrong? Is it not round rr vs wrinkled RR?? I'll answer it with that assumption:

You are crossing a rr with an RR:
You only get Rr back so they will phenotypically be all wrinkled

If you are crossing rr with an Rr (so a heterozygote wrinkled):
50% will be Rr (wrinkled)
50% will be rr (round)
See my picture for the Punnett Squares for both answers!

3 0

2 years ago

Describe pros and cons of genetic engineering to modify food and in-vitro fertilization.

juin [17]

Genetic engineering:Pros: produces more food, makes organisms more fit, increases knowledge and knowledge is good.Cons: Some say it's: playing God, dangerous due to recombination of DNA, contamination of the gene pool, big pharma could take over the "means of production".
In-vitro fertilization: Pros: Allows people who couldn't have children to do so, increases knowledge and knowledge is good.Cons: Expensive (really expensive), can lead to overpopulation (minor), can be done irresponsibly (minor as everything can be).

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3 years ago

Two species of tree frogs occupy different elevations in the canopy of a rain forest. If these frogs with strikingly different p

shtirl [24]

Answer:

Habitat Isolation

Explanation:

Ecological, or habitat, isolation occurs when two species that could interbreed do not because the species live in different areas.

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3 years ago

A positive ion will attract

arlik [135]

Answer:

a negative charge.

Explanation:

4 0

2 years ago

Read 2 more answers