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3 years ago

Which discovery provides the most evidence to support the idea that two

Biology

2 answers:

Feliz [49]3 years ago

6 0

C. They have a high percentage of similar genes.

yuradex [85]3 years ago

3 0

The answer would most likely be C

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Three ways to transfer heat are by _____. radiation, conduction, and convection evaporation, condensation, and precipitation tra

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Conduction convection & radiatuon

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3 years ago

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What is common to both prokaryotic and eukaryotic cell division?

castortr0y [4]

Answer:

both are made up of cells

DNA (genetic material )

plasma membrane

cytoplasm

these are the cellular organelles which both organism share

Explanation:

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2 years ago

How do you make spanish words plural

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<span>If a noun ends in a vowel, simply add -s.If a noun ends in a consonant, simply add -es.If a noun ends in a -z, change the z to c before adding -es.If a noun ends in ión, drop the written accent before adding -es.<span>If the plural refers to a mixed group, use the masculine.</span></span>

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3 years ago

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Assuming DNA is replicated correctly (so there are no mutations),

gavmur [86]

Answer:

None of the choices would lead to all identical gametes.

Explanation:

Gametes are sex cells produced by sexually reproducing organims via a process of cell division called MEIOSIS. Meiosis is a cell division process which produces four (4) daughter cells (gametes), which are genetically different from the parent cell.

The difference in genetical content is as a result of a process unique to only meiosis called CROSSING-OVER OR RECOMBINATION. This process ensures that the genetic content of the gametes are altered. Hence, since gamete formation is done via meiosis, none of the scenarios in the option will lead to all identical gametes.

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2 years ago

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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2 years ago