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Tresset [83]
3 years ago
5

What ignited the Cambrian explosion of life?

Biology
1 answer:
uysha [10]3 years ago
3 0
Increase levels of oxygen in seawater, evolution of eyes, origin of hard parts, and genetic changes
hope that helps <3
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Photopigment genes are located on the X chromosome. Color blindness occurs when an individual has missing or damaged alleles. A
Hunter-Best [27]

The probability that their son exhibits the 'color blind' trait is 0%. It is a type of inheritance linked to the X chromosome.

<h3>Inheritance linked to the X chromosome</h3>

In men, the patterns of inheritance linked to the X chromosome don't follow conventional mendelian inheritance because men have only one X chromosome.

Conversely, women have two X chromosomes, thereby the inheritance pattern resembles Mendelian inheritance.

It is important to highlight that color blindness is a recessive trait on the X chromosome.

In this case, the mother is a carrier, thereby the probability of passing this trait as a carrier to her son is 50%, whereas the father is normal, thereby the probability of passing this trait to his son is 0%.

Learn more about inheritance linked to the X chromosome here:

brainly.com/question/1020249

4 0
2 years ago
Bacteria need at least _____ hours to grow enough cells to cause illness.
natta225 [31]
It needs at least 4 hours to grow to cause illness :)
8 0
3 years ago
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What type of cells does a mushroom have?​
zubka84 [21]

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May I have brainliest please? :)

4 0
3 years ago
If a substance has a density of 2.5 g/ml and the volume of the substance is 8 ml what is the mass of the substance
dezoksy [38]
The answer will be 20 grams
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3 years ago
From your knowledge about the distribution of electrons in their shells and from the atomic number (in parentheses), indicate th
dangina [55]
I'll say that it is +1 since hydrogen is desperate to lose an electron to fulfill the octave rule (that the molecules want to gain 8 electrons and if they can't do it, they want to lose all their electron). Electron is - so if it lose a electron, it becomes +.
Hopefully this helps.
PS. I'm not certain of my answer but it is logical.
3 0
3 years ago
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