Without this one characteristic, the species would become extinct

Answer:

By the end of meiosis, four cells will be created, each with one of the chromatids from the tetrad. Also, don't forget that there are 23 different tetrads formed during meiosis because each chromosome 1-23 will have a tetrad.

Final answer:

In humans, four tetrads form during the synapsis of meiosis.

Explanation:

In humans, a total of four tetrads form during the synapsis of meiosis. Synapsis occurs during Prophase I of meiosis, where homologous chromosomes pair up and form a structure called a bivalent. Each bivalent consists of two pairs of sister chromatids held together by a protein structure called a synaptonemal complex. Since there are 23 pairs of chromosomes in humans, there will be 46 total tetrads formed during meiosis, as each homologous pair forms a tetrad.

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Answer:

Polyunsaturated fat is a type of dietary fat.It is one of the healthy fats,along with monousaturate fat. Polyunsaturated fat is found in plant and animal foods such as salmon,vegetable oils,and some nuts and seeds

Answer;

-phloem,

-xylem,

-parenchyma.

Differentiated plant cells and tissues include phloem, xylem, and parenchyma.

Explanation;

• Differentiation refers to the processes by which distinct types of cells form from precursor cells and become different from each other.  All mature cells in plants are derived from apical meristems, despite their differences.
• Xylems and phloem cells are cells of the vascular tissue in plants. These cells are highly specialized, with xylem functioning in the transportation of mineral salts and water from the roots to the stems and to the leaves. Phloem on the other hand functions to transport nutrients from the leaves to all the parts of the plant.
• Parenchyma tissues functions in storage, photosynthesis and as the bulk vascular and ground tissues.