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schepotkina [342]
2 years ago
12

Purple flowers are dominant to pink. Two heterozygotes are crossed.

Biology
1 answer:
Pachacha [2.7K]2 years ago
5 0

Answer:

PP ; Pp        (note:- "P" purple, "p" pink)

Pp ; pp

Explanation:

75% purple offspring

25% pink offspring

I hope it helps.

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5 0
3 years ago
1. Explain why planarians and flukes are called flatworms.
Marta_Voda [28]

Answer and Explanation:

Platyhelminthes are mostly worm like organisms that are dorsoventrally flattened, meaning they look like a leaf and this is why they are coined names like the Tapeworm, Flatworm, Fluke and Planarian.

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3 years ago
A student made a model of an ecosystem inside a sealed plastic bottle. She placed soil, rocks, water, plants, and animals inside
yulyashka [42]
The model lacks diversity.

3 0
3 years ago
Read 2 more answers
After hundreds or even thousands of generations both alleles for sickle cell anemia are still common in those of african ancestr
zhannawk [14.2K]
After hundreds or even thousands of generations both alleles for sickle cell anemia are still common in those of African ancestry. This is supported by two mechanisms: heterozygote advantage and gene flow.

Heterozygote advantage
When an allele is said to be heterozygous, it is carrying one copy of a gene. For example if one carries a copy of sickle cell allele, it will stay in the population even after many generations — natural selection will not be able to remove it and it will be passed on through generations. So, having one copy of that allele is advantageous but not deleterious.

Gene flow
With humans migrating throughout the different parts of the world, sickle cell allele is passed from one person to another or in different populations. It is actually advantageous to have one copy of this allele especially if there’s malaria in the area, which the allele is resistant.
8 0
3 years ago
Which example illustrates the difference a between community and a poopulation
azamat

Answer:

All the different kinds of animals in a zoo would be a community. All of the gorillas in the zoo would be a population.

(Does that make sense to you?)

Explanation:

Community- multiple different species in a place.

Population- a single species in a place.

I'm sorry, but the way you spelled population has me crying XDD

Have a nice day! :)))

7 0
3 years ago
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