In which phase will crossing-over occur?

Biology

2 answers:

abruzzese [7]4 years ago

8 0

The correct answer is option D. Prophase I

The crossing over is a phenomena, which occur in the cells undergoing meiosis. In the process of crossing over, the exchange of the genetic material takes place between the sister chromatids. This process takes place in the prophase 1 stage of meiosis 1 in the gametes. The exchange of genetic material between chromatids cause recombination, and hence, genetic variation.

Arturiano [62]4 years ago

7 0

Crossing over occurs in the first stage of meiosis which would be Prophase I.

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What is the empirical formula of a compound that contains 4.03 g of hydrogen per mole, 64.14 g of sulfur per mole, and 128.00 g

natka813 [3]

The empirical formular i H₂SO₄

The first step is to calculate the compound by the molar mass

Hydrogen, Sulphur, Oxygen

4.03/1 , 64.14/32 , 128/16

4.03 , 2 , 8

Divide by the lowest value

4.03/2 , 2/2 , 8/2

2, 1 , 4

H₂SO₄

Hence the empirical formula is H₂SO₄

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Sonbull [250]

Answer:

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Wittaler [7]

Answer:

$\huge\boxed{Alkane.}$

Explanation:

The given compound is an alkane because all the bonds between carbon are single. Alkanes have all single bonds and are thus called saturated hydrocarbons.

$\rule[225]{225}{2}$