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IrinaK [193]
2 years ago
8

Which compound was abundant in Precambrian Earth’s oceans, before complex life evolved on Earth?

Biology
2 answers:
LekaFEV [45]2 years ago
5 0
Carbon dioxide is correct
Verdich [7]2 years ago
5 0

Answer:

dissolved carbon dioxide

Explanation:

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If a plant is inherited by complete dominance where homozygous dominant is a red flower color and homozygous recessive is a whit
WITCHER [35]

Answer:

Genotype of parents is Rr

Explanation:

Let the allele for red flower be represented by "R" and the allele for white flower be represented by "r"

Allele for red color is dominant over allele for white color.

Co-dominant causes the expression of characteristics associated with dominant allele only.

Genotype of parents is Rr

Rr * Rr

RR, Rr, Rr, rr

"rr" is white colored flower

"RR and Rr" is red colored flower

7 0
3 years ago
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Rudik [331]
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3 0
3 years ago
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A postmortem analysis of einstein's brain revealed a much greater concentration of ________ than found in the average adult brai
balandron [24]
I believe the answer to your question is <span>Glial cells</span>
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3 years ago
What is the probability of rolling a 6, then a 5, then a 4?
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A 16% probability of you rolling it
4 0
2 years ago
Suppose you examined a pedigree of a large family, going back 6 generations. In generation 5, a woman ("G5W") has a serious gene
Westkost [7]

B: A mutation in one of G5W's parents, during gamete formation, created an X-linked dominant disease allele.

You need to analyze the sex gametes.

Boys are XY

Girls are XX

If you have an X-linked dominant disease you need only one affected X gamete to have the disease.

The mother has XX' where X' is de affected and reproduce with a healthy man XY and breed unhealthy boys, but because of the heterozygous gametes you could also have healthy ones XX and XY

6 0
3 years ago
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