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zvonat [6]
3 years ago
5

10. When fertilization occurs, the resulting zygote is a diploid cell containing two of every type of chromosome. This is becaus

e one of each type of chromosome is –
A mutated by ultraviolet radiation C contributed by both parents
B deleted during the fertilization process D duplicated within sperm cells
Biology
1 answer:
SOVA2 [1]3 years ago
4 0

Answer: C contributed by both parents

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Some mercury-resistant bacteria can convert toxic forms of mercury to less toxic forms using the mer operon under transcriptiona
densk [106]
Mercury would bind to the mer operon to act as an activator whereas the less toxic products from the pathway would acts as a repressor.
6 0
4 years ago
Which of the following statements about migration is true?
saul85 [17]

Answer:

um you don't have the answer to choose from so I looked up on the web and its says ( migrants are more prepared to take on low-paid low-skilled jobs - helps to reduce any labor shortages) I'm pretty sure this didn't help but I hope it did

8 0
3 years ago
Can someone help me
postnew [5]

You need to show us the previous questions and reading material, or we won't understand the question...

6 0
2 years ago
a rock is dropped from a height of 60 m and is in free fall. What is the velocity of the rock as it reaches the ground 3.5 secon
oksian1 [2.3K]

Data given

                 Initial Velocity = 0 m/s  

                 Change in distance x = 60m  

                 Change in time = 3.5s

                Acceleration due to gravity = -9.81 m/s^2  

Required

               Final Velocity (vf) = ?  

Solution

             According to first equation of motion

             Vf = Vi+gt  

             Put the values, we will get

              Vf = 0 + (-9.81) (3.5)  

             -34.3 m/s (Answer)


7 0
4 years ago
In a certain breed of plants, dark green is determined by the dominant gene 'G' and light green is determined by the recessive g
stealth61 [152]

Answer:

The answer is 300.

Explanation:

When we cross GG and gg, 100% of the offspring will be heterozygous. If the heterozygotes show 75% penetrance meaning that there is a 75% probability that the plant that has the G gene will actually show it in it's phenotype.

So that means that 75% of the offspring should have dark green color, which means that 300 plants will have the expected phenotype and 100 will not.

I hope this answer helps.

7 0
3 years ago
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