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vichka [17]
3 years ago
15

What best describes meiosis

Biology
2 answers:
Reika [66]3 years ago
7 0

It occurs only in cells in the reproductive structures of organisms.  

Meiosis only occurs in the reproductive cells, producing gametes with half of the genetic  information as the parent cell.

Alona [7]3 years ago
7 0

Answer: The product of Meiosis is four different daughter cells.

Explanation: Meiosis is the process of a special type of cell division reducing the chromosomes. It is an example of sexual reproduction.

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In garden peas a pure line that is tall with purple flowers is crossed to another pure line that is short with white flowers. Th
defon

Answer:

See the explanation

Explanation:

Answer 1.

As given that in F1 all are short and white then it can be said according to Mendel's law that short and white are dominant over tall and purple.  

Let S for short s for tall and W for white and w for purple allele.

So the genotype of short purple will be Ssww or SSww. So In first case Ssww self crossed then resultant offsprings will be,

................ Sw .................... sw

Sw ........ SSww ............. Ssww

sw ........ Ssww .............. ssww (tall and purple)

So from this 1/4 will be tall and purple while 3/4 will be short and purple.

In second case SSww only short purple progeny will appear.

Answer 2.

2. a) The female progeny will not show any trait because there are two X chromosome in females , so female offspring can be carrier but not show any trait in case of X- linked trait.

2. b) Half of male offsprings show trait because X is inherited from mother. So the chance of having X-linked recessive allele is 1/2.

2. c) The chance of having X linked affect allele in daughter is 1/2. So the chance of inheriting that X to son will be 1/2 so in total there is chance of 1/4 that son will be affected.

2. d) the chance of first child show this trait will be 1/4 in case of male offspring while 0 in case of female offspring.

Hope this helps!

4 0
3 years ago
Blood type is inherited thriugh mutiple alleles , inculding I ^a , I^b and i . A child has type A blood. If the father has type
lukranit [14]

Answer:

The answer is below

Explanation:

The possible phenotypes of the mother can be any of the following

AA - A phenotype

AB - AB phenotype (here the mother must have contributed an A gene for it to be possible)

AO - A phenotype (here the mother may have contributed any of the A or O gene.)

BO - B phenotype (here, the mother would only need to contribute O gene for this to be possible)

3 0
2 years ago
What mineral particle is the smallest in size? <br> A. Sand<br> B. Clay<br> C. Silt<br> D. Loam
Elis [28]
A.sand

its the smallest
7 0
3 years ago
Read 2 more answers
Which astronomer discovered the phases of venus?
Mariana [72]
Galileo 
<span>his observations helped support the Copernican view that the planets orbited the Sun, and not the Earth as previously believed.</span>
6 0
3 years ago
Match the level of organization to the correct description.
noname [10]

Answer:

Organism - Individual living thing

Community - All of the different populations that live and interact in an area.

Population - Group of similar organisms.

Ecosystem - Community of organisms and its abioitic environment.

Biosphere - All of the ecosystems.

Hope this helps you

3 0
3 years ago
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