the stage of the cell cycle during which the cell's nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell.
The male human has a sperm cell and the female has an egg cell. The cells from the male and female that combine to form a zygote are called gametes. The human sperm and egg cells each contain 23 chromosomes. . A combination of gametes forms a zygote with 46 chromosomes. The type of cell division that produces gametes with half the normal chromosome number is the meiosis. Meiosis is the type of cell division used in sexual reproduction. It will occur in the testes and ovaries.
The gametes B and C are the ones that contain one or more recombinant chromosomes, option 4 is correct.
Recombinant chromosomes are formed through the process of genetic recombination, where genetic material is exchanged between homologous chromosomes during meiosis. The exchange of genetic material results in new combinations of alleles on the chromosomes.
The B and C gametes are likely to contain recombinant chromosomes because they are a result of the crossing over and recombination that occurs during meiosis. Gamete B is likely to have undergone genetic recombination, as it carries a combination of alleles from both homologous chromosomes. Similarly, gamete C is also likely to contain recombinant chromosomes due to the recombination process.
The other options may not necessarily contain recombinant chromosomes, as they may have inherited intact, non-recombined chromosomes from the parent cells during meiosis, option A is correct.
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The correct question is:
Which of these gametes contains one or more recombinant chromosomes?
1. A and C
2. A and B
3. D and E
4. B and C
5. A and D
Answer: The correct answer is- Theory.
Hypothesis can be described as an assumption or proposition, which is made on the basis of certain evidences without knowing the real truth about it. It is tested further for investigation about the proposed explanation with the help of repeated experiments (using certain protocols).
When it becomes supported by repeated experimentation, it is converted into theory.
Thus, theory is the right answer.
Answer:
50-50%
Explanation:
yeast
penicillium
aspergillus
Rhizopus stolonifera
The correct answer is:
Penicillium
Aspergillus
The lesson states:
If you've ever heard of or taken penicillin to fight off an infection, you can thank a member of the imperfect fungi called penicillium. Some mold species of penicillium are also important in the flavoring and aging of cheese. Roquefort and Camembert cheese owe their distinctive flavors to these fungi. Aspergillus is an imperfect fungus that is found on decaying food. It also contributes to the production of organic acids like citric acid. Both penicillium and aspergillus produce enzymes that are purified and used in various industrial compounds and in medicine.