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viva [34]
2 years ago
13

2- When a man of blood group (AB) marries a woman of blood group (O), the ratio

Biology
2 answers:
klasskru [66]2 years ago
8 0
The answer is B- 50%
andriy [413]2 years ago
7 0

Answer:

when doing the cross

You will end up with the following:

AO AO BO BO,

So A:50% and B:50%

NONE OF THE OFFSPRINGS WILL HAVE O TYPE

Explanation:

So first, when someone has blood type O it’s genotype is OO

When someone has blood type AB, it’s genotype is AB

When someone has blood type A it’s genotype can either be BB (homo) or BO (hetero)

When someone has blood type A it’s genotype can either be AA (homo) or AO(hetero)

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Answer:

poopy

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5 0
2 years ago
What is the approximate temperature of the troposphere, mesosphere, and stratosphere.​
lakkis [162]

Answer:

Heat is produced in the process of the formation of Ozone and this heat is responsible for temperature increases from an average -60°F (-51°C) at tropopause to a maximum of about 5°F (-15°C) at the top of the stratosphere. This increase in temperature with height means warmer air is located above cooler air.

Explanation:

5 0
2 years ago
A. convert sunlight to chemical energy. B. The , the , and the support the plant cell and help it to maintain its shape. C. stor
Bumek [7]

Answer:

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Explanation:

6 0
2 years ago
A biochemist isolates and purifies various molecules needed for DNA replication. When she adds these molecules to DNA, replicati
olga55 [171]

Answer:

DNA ligase

Explanation:

<em>The biochemist must have left out DNA ligase enzyme.</em>

<u>The DNA ligase enzyme is able to catalyze the formation of phosphodiester bonds and as such, capable of joining strands of DNA together to form a single strand.</u>

The numerous DNA segments of a few nucleotides long observed by the biochemist must have been the replicated product of the lagging DNA strand. The lagging strand is replicated discontinuously in short strands because the DNA polymerase enzyme can only elongate primers in 5' to 3' direction. The short segments are known as Okazaki segments and are usually joined together to form a whole strand by the DNA ligase enzyme.

Hence, the missing component is the DNA ligase.

3 0
3 years ago
Which of the following best describes how embryological evidence supports the idea that life changes over time?
belka [17]

Based on the options given, the most likely answer to this query is 
A. Some animals exhibit similar stages in embryonic development. Embryonic development is where a fertilized egg undergoes similar development with other animals.


Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
6 0
2 years ago
Read 2 more answers
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