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krok68 [10]
3 years ago
6

How do the daughter cells at the end of mitosis and cytokinesis compare with their parent cell when it was in G 1 of the cell cy

cle? a. The daughter cells have half the number of chromosomes and half the amount of DNA. b. The daughter cells have the same number of chromosomes and the same amount of DNA. c. The daughter cells have the same number of chromosomes and half the amount of DNA. d. The daughter cells have the same number of chromosomes and twice the amount of DNA. e. The daughter cells have half the amount of cytoplasm and half the amount of DNA.
Biology
1 answer:
Vikentia [17]3 years ago
8 0

Answer:

b. The daughter cells have the same number of chromosomes and the same amount of DNA.

Explanation:

Mitosis is the cell division that maintains the DNA amount and chromosome number in daughter cells. This is due to the fact that each mitosis is preceded by one round of DNA replication in S phase.

For example, if the parent cell had 2n DNA in 46 chromosomes, the daughter cells at the end of mitosis and cytokinesis would also have 2n DNA in 46 chromosomes.

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1. In a pedigree, a square represents a male. If it is darkened he has hemophilia; if clear, he had normal blood
coldgirl [10]

Answer:

a, 8

b, 3

Explanation:

If the pedigree you are referring to is the one that is attached then the answer would be:

A pedigree shows how a trait is passed on throughout generations. Like it says in the question, the squares represent males. If the square isn't shaded in, then that means they are unaffected by the trait or normal. If it is shaded, they are affected.

All you need to do for the first question is count the number of squares you see in the whole pedigree. In this case, there are 8.

The second one is asking how many are affected, or have hemophilia. You need to count the number of squares that are shaded in. In the pedigree, we see 3.

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