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Alex17521 [72]
3 years ago
12

List and explain the function of 7 major organelles of animal cell

Biology
1 answer:
castortr0y [4]3 years ago
3 0
List and explain the function of 7 major organelles of animal cell .The answer:

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Brown spotting of the teeth in humans is caused by a dominant X-linked gene. If a man with normal teeth marries a woman with bro
nata0808 [166]

Answer:

25%

Explanation:

The female with brown teeth had a father with normal teeth. Since normal teeth is a recessive trait, the father would have been homozygous recessive for the trait and would have transmitted one recessive allele to the female. Therefore, the female is heterozygous dominant for brown teeth.

Let's assume that the allele for brown teeth is X^B while the one for normal teeth is X^b. The genotype of heterozygous dominant female would be X^BX^b and that of the male with normal teeth would be X^bY.

A cross between X^BX^b and X^bY gives progeny in following phenotype ratio= 1/4 daughter with brown teeth: 1/4 daughter with normal teeth: 1/4 son with brown teeth: 1/4 son with normal teeth. Therefore, the probability of having a daughter with brown teeth is = 25%

7 0
3 years ago
Roles in aquaculture​
Anika [276]
It’s a place that has lots of fish and they catch a lot fish there.
4 0
3 years ago
Why are there no samples of rocks from the early Precambrian era?
xenn [34]

Answer:

The correct answer is -  D. All rocks were molten in that time period.

Explanation:

The early Precambrian era began 4.6 billion years ago. The formation of eath start from this era with dust and gas. The atmosphere at that time was too hot. It was like hades. The rocks were molten and appear to like an ocean of rocks.

Due to the molten rocks, there are no samples of rock from this area as it was too hot to be formed. There were boiling sulfur and gases were everywhere.

4 0
3 years ago
Which process allows for the growth and development of a multicellular organism? A. mitosis B. meiosis C. digestion D. eliminati
OlgaM077 [116]

The process that allows for the growth and development of a multicellular organism is mitosis

So the answer is A. mitosis

8 0
3 years ago
Did trilobites and dinosaurs live at the same time? What is your evidence?
IrinaVladis [17]

Answer:

No because Trilobites are older because they are in the deepest rock layer and the dinos aren't plus Two species of trilobites found in the Southwestern United States. Trilobites went extinct 250 million years ago, long before the appearance of the first dinosaurs.

Explanation: because i love talking about fossils

8 0
2 years ago
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