The bulldog ant has a diploid number of two chromosomes. Therefore, following meiosis, each daughter cell will have a single chromosome. In addition to mutations, genetic diversity might be generated in this species due to (C) crossing over and random fertilization.
There are some points during sexual reproduction which might increase the chances of a genetic diversity.
During meiosis I, crossing over during prophase produces sets of chromosomes having new combinations of alleles.
Genetic diversity might also generated by random fertilization of the gametes created through meiosis. Any of the genetically distinctive sperm produced by a male might fertilize the genetically distinctive egg produced by a female.
To learn more about crossing over here
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The answer to this is C. The ancient fossils are a record of when shallow seas covered much of the united states. While the fossils are of organisms that are the precursors of many modern day organisms, changes in ocean geography and other factors eventually caused those older species to become extinct.
Total number of different committees = C(14,6) = N
We have two cases where we have less than 2 teachers.
case 1: 1 teacher (out of 5)
Number of ways to choose 1 teacher = C(5,1) = 5
Number of ways to choose the remaining members from students = C(9,5)
Total number of ways to choose a committee with exactly 1 teacher = 5C(9,5) = N1
case 2: no teacher
Number of ways to choose 6 students = C(9,6) = N2
Probability to choose at least two teachers
= (N-N1-N2)/N
=109/143
I hope tmy answer helps you
Answer:
Photosynthesis
Explanation:
carbon dioxide +water ----> glucose + oxygen
Light and chlorophyll are needed for this to be done...
This is the word equation for photosynthesis
