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2 years ago

What is an operation?

Biology

2 answers:

Ulleksa [173]2 years ago

3 0

Answer:

it would be

Explanation: I just finished this question and got a 100

yuradex [85]2 years ago

3 0

Answer:

A. A process performed with numbers

Explanation:

Some mathematical operations are:

division (÷)

multiplication (×)

addition (+)

subtraction (-)

equal (=)

through which we perform mathematical operations with numbers.

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rjkz [21]

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3 years ago

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bogdanovich [222]

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Artemon [7]

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9. Consider the below Punnett square cross. Explain how you could use it to determine which parent

kogti [31]

Answer: The father determines the biological sex of a baby

Explanation: Human beings have two sex chromosomes, males have XY chromosomes whereas females have XX chromosomes. During fertilization, an egg from a woman fuses with a sperm cell from a man to form a zygote. Women have two X chromosomes (XX) and any point in time they can only release an egg bearing an X chromosome but males have one X and one Y chromosome, therefore they can either release a sperm cell with an X chromosome or a sperm cell with a Y chromosome. When an egg with X-chromosome fuses with a sperm cell with an X chromosome, the resulting baby is a female but when an egg with an X chromosome fuses with a sperm cell with a Y chromosome, the resulting baby is a male.

What makes the difference in both sexes is the Y chromosome from the man, therefore the father determines the biological sex of a baby.

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3 years ago

Explain two theories of color vision in humans. How does one of them explain color deficiency?

Alborosie

There are two major theories that will explain on research on colour vision. They are 1. the trichromatic theory also known as the Young-Helmholtz theory 2. opponent-process theory. These two theories explain processes that operate at different levels of the visual system.

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