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Sophie [7]
3 years ago
13

Why is classification subject to change?

Biology
1 answer:
vladimir1956 [14]3 years ago
8 0
Classification is subject to change because science is an evolving subject. New things are discovered every year and thus changing the way we understand the world around us.
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) When predicting the phenotype of the offspring from a dihybrid cross, why is it so important that each gene is located in a di
Bond [772]

Answer:

a) The genes present on separate chromosomes exhibit indepedent assortment.

b) The genotype of tall and purple flower parent= TTPp

The genotype of short and purple flower parent: ttPp

Explanation:

a) In a dihybrid cross, if the genes are present on the same chromosome, they will not exhibit independent assortment. The genes present on the same chromosome are called linked genes. Linked genes are inherited together. The absence of independent assortment of a linked gene gives more of parental types in F2 progeny. Therefore, if genes are not present on a separate chromosome, Mendel’s ratios deviate.

b) Alleles for tallness and purple flower are dominant. In the progeny, all the plants are tall. This means that the dominant tall plant is homozygous. With respect to flower color, the trait exhibits segregation of dominant and recessive alleles and both purple and white flower progeny are obtained. This makes both the plants heterozygous for the flower color gene.  

The genotype of tall and purple flower parent= TTPp

The genotype of short and purple flower parent: ttPp

7 0
3 years ago
The concentration of salt is higher inside a cell than outside the cell. The concentration of water inside the cell is lower tha
asambeis [7]

Answer:

C. Water will move into the cell through osmosis. The salt and water concentrations will become similar inside and outside the cell.

Explanation:

Osmosis is the movement of water from its higher concentration to the lower concentration through a semi permeable membrane. Here, the cell have higher salt concentration and lower water concentration as compared to its outside. Since cell membrane is semi permeable, salt cannot pass through it. So, water will move into the cell through osmosis to equalize the salt and water concentration on either side of cell membrane.

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3 years ago
What is the most likely consequence if a living organism can not adapt to its environment?
Solnce55 [7]

It would eventually go extinct. If you put a shark in a fresh water pond and it can't adapt to fresh water it will die.

7 0
2 years ago
Read 2 more answers
PLZ help me out
amm1812

Answer:

biotic and abiotic interactions

on gradpoint

Explanation:

6 0
3 years ago
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Have you ever seen a pot of water on the stove? What have you observed about the water as heat is added to it? How do you think
V125BC [204]

Answer:

Explanation:

Ok so the change of the state is gas because u are boiling water so the water get hotter and then gas starts to come out of the water because of how hot it is

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