Q. Which of the following statements is true?
A. Chromosomes occur in pairs in higher plants and animals.
B. There are more chromosomes in a cell than there are genes.
C. All organisms have the same number of chromosomes.
D. A karyotype cannot determine if an organism is male or female.
Answer:
A karyotype cannot determine if an organism is male or female. Thus, the correct option is D.
<h3>
What is karyotype?</h3>
A person's entire set of chromosomes is known as their karyotype. The phrase can also refer to an image created in a lab showing a person's chromosomes separated from one cell and organized in numerical order. A karyotype can be used to check for chromosomal number or structural problems.
Males and females may have different karyotypes. For instance, human females have two X chromosomes while males have an X and a Y chromosome in their karyotype. Body (somatic) cells and egg and sperm cells have different karyotypes (gametes).
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It is the second one epidermis
The one that is not a piece of molecular evidence supporting the endosymbiotic theory is B) The mitochondria and chloroplasts are much different in structure in bacteria.
Hope this helps! :)
Answer:
The air
Explanation:
the air has a component of 79% of nitrogen gas (N2)
