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ser-zykov [4K]
2 years ago
15

In x linked recessive if the mother is carrier and father is normal and their first child is male and is affected the next child

is female, how much chances are there that she will be carrier?
Biology
1 answer:
Phantasy [73]2 years ago
6 0

Answer:

A 50% chance I believe. The mother will always give the X chromosome and since the father is normal and doesn't carry that ressecive trait they can only get it from the mother. (I'm not completely sure!))

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A student would like to determine how heating a liquid changes its volume. The student hypothesizes that the liquid will increas
Lisa [10]

Answer:

a The volume of the liquid should be measured before it is heated.

Explanation:

A student would like to determine how heating a liquid changes its volume. The student hypothesizes that the liquid will increase in volume. The following list shows the steps taken by the student in order to test the hypothesis.

Select the liquid to test.

Place the liquid in a sealed container.

Use a Bunsen burner to heat the liquid by 10°C.

Measure the volume of the liquid.

Record the results.

What is wrong with how the student conducted the investigation?

a The volume of the liquid should be measured before it is heated.

b The hypothesis was not valid because it is impossible for liquids to change in volume.

c The student should have increased the temperature of the liquid by more than 10ºC.

d The length of time it took for the liquid to be heated should be measured.

The answer is A i.e The volume of the liquid should be measured before it is heated. I think this is surely right!!

5 0
2 years ago
Which three statements about dialysis is true
Oksana_A [137]

Answer:

The correct answers are A, C and D.

Explanation:

Dialysis is a treatment given to a patient to maintain his chemical levels in the body salt. Dialysis is a treatment which removes the Extra water, wastes, salts from the patient's body. This treatment is given to the patient in case of the failure of the Kidneys which are unable to clear the body from the wastes and toxins naturally. This is a time consuming process which uses a machine to purify blood from wastes and toxins. It is not the permanent solution for the renal failure, tough it is a good temporary solution.

3 0
2 years ago
Percy finds a rock in his backyard. It looks like several pebbles cemented together. Percy has found _____. a foliated rock an e
Svet_ta [14]

A sedimentary rock because it is know to have layers.

8 0
3 years ago
Read 2 more answers
EASY BIOLOGY QUESTION
Anni [7]
The cell because they are moving from high to low concentration
4 0
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creativ13 [48]

Answer:

Helicase enzyme checks the DNA for errors.

Explanation:

DNA polymerase proofreading: Proofreading by DNA polymerase corrects errors during replication.

4 0
3 years ago
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