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sveticcg [70]
3 years ago
7

What should I take single science biology, or all 3 (physics, biology, chemistry) for GCSE? Plez i don't know what to decide on.

.. I am so stuck. I don't like blood and stuff related to the like. However, if I take A level biology I have a better chance of getting to uni and I like biology but I'm pretty much an air head. Can you give me any answers? Plz
Biology
1 answer:
maks197457 [2]3 years ago
7 0

Answer:

id say all

Explanation:

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Dihybrid crosses
Darina [25.2K]

Explanation:

The phenotypes and genotypes of the progeny can be determined by a dihybrid cross of the parents.

The heterozygous male will have the genotype 'SSww' and the heterozygous female will have the genotype 'ssWW'.

When crossed, the F1 offsprings will have a hybrid genotype of 'SsWw'. These offsprings are heterozygous with spotted skin and wooly hair.

On self-crossing of the F1 hybrids, we find four different combinations of the alleles- SW, Sw, SW and sw. The probability of getting each of these combinations is 1/4.

Hence, the probability of any dihybrid type is 1 out of the 16 possible genotypes. Using Punnet square, we find

9 SSWW: 3 SSww: 3 ssWW : 1 ssww

This is the phenotypic ratio of the offsprings.

The ratio of the possible genotypes will be 1:2:1:2:4:2:1:2:1.

8 0
2 years ago
A white mass is cross with a black mouse all the offspring were gray the jeans for the for color in mice show what
Yanka [14]
R u using a punnet square?

3 0
3 years ago
Which of the following statements is true? O Plants do not need sunlight to make food. O Plants can make some of their food, and
zmey [24]

Answer:

  • O <u>Plants can make food using carbon dioxide.</u>

This is the correct statement.

3 0
2 years ago
Read 2 more answers
In a science lab students are required to find the specific heat of a sample of iron when it has a mass of 343g and the inital t
Firlakuza [10]

Answer:

The answer to your question is Yes, the substance is Iron

Explanation:

I attached the answer because it says that I am including bad words or links.

8 0
3 years ago
If glucose levels get too high in our body, what diseases may occur because of it?
ki77a [65]

Answer:

Hyperglycemia or high blood glucose

Explanation:

Hyperglycemia or high blood glucose occurs when there is too much sugar in the blood. This happens when your body has too little insulin (the hormone that transports glucose into the blood), or if your body can't use insulin properly. The condition is most often connected with diabetes.

Hope I helped

:)

5 0
2 years ago
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