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Natali [406]
3 years ago
8

Aliens from the planet Zorg have 100 chromosomes in their diploid cells. If a diploid alien cell enters meiosis, how many chromo

somes and double-helical molecules of DNA will be present in each daughter cell at the conclusion of Meiosis I _____.
Biology
1 answer:
stepan [7]3 years ago
8 0

Answer:

Chromosomes at the conclusion of Meiosis I  - 50

Double-helical molecules of DNA at the conclusion of Meiosis I - same as that of parent cells

Explanation:

Given

Number of chromosomes in the diploid cells of Aliens from the planet Zorg = 100

In the Meiosis I cell division , a cell divides to produce two diploid cells with exactly the same amount of  DNA  as that of original parent cell.

However, the number of chromosomes is reduced to  by half at the end of meiosis I

After Meiosis II, four haploid cells are produces with half the amount of DNA  as that of original parent cell

Thus,

Chromosomes at the conclusion of Meiosis I  - 50

Double-helical molecules of DNA at the conclusion of Meiosis I - same as that of parent cells

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Answer:

1/4 are light tailed mouse

Explanation:

Given

T(With Tail) is dominant over t (tailless)

L (dark tail ) is dominant over l (light color tail)

A cross is made between TtLl and TtLl

TL         Tl         tL         tl

TL TTLL TTLl  TtLL  TtLl

Tl TTLl         TTll         TtLl         Ttll

tL TtLL         TtLl         ttLL         ttLl

tl TtLl         Ttll         ttLl          ttll

Genotype of offspring are –  

TTLL – 1

TTLl – 2

TtLL – 2

TtLl – 4

TTll- 1

Ttll- 2

ttLL – 1

ttLl - 1

ttll- 1

Light colored tail species - TTll, Ttll, ttll

Out of 16 , 4 are light colored

Thus 1/4 are light tailed mouse

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Explanation:

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