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sesenic [268]
3 years ago
11

Explain the process of crossing over and how it increases genetic diversity.

Biology
1 answer:
dolphi86 [110]3 years ago
8 0

Answer:

Crossing Over. Crossing over, or recombination, is the exchange of chromosome segments between nonsister chromatids in meiosis. Crossing over creates new combinations of genes in the gametes that are not found in either parent, contributing to genetic diversity.

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NEED HELP FOR 100 POINTS AND BRAINLIEST PLEASEEE
Margarita [4]

Answer:

this is assuming brown eyes are dominant

6a 9/16

b.3/16

c 3/16

d. 1/16

Explanation: there might be an easy way to calculate it but I draw it out and use the dominance and lettering and just count I used slide 5 as a starting point

to do more than this would require seeing the square on slide 1 they are referring to as it is specific to 2 parents

4. a Bb and bb

b. bb and bb

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BBEe BBee BbEe Bbee

BbEE BbEe bbEE bbEe

BbEe Bbee bbEe bbee

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b Brown hair

c. Bb and brown hair

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3. A50%

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6 0
3 years ago
For every man who has type i osteoporosis, about how many women have it? 2 3 4 6
Bond [772]
<span>The correct answer is 6.</span>  
<span>
When we compare male and female, the prevalence of osteoporosis and the rate of fractures are much higher in postmenopausal women than in men of the same age.  Because of that, this condition is often called “woman’s disease”. One of the explications is that women have smaller and thinner bones than men. Also, estrogen decreases when women reach menopause, which can cause bone loss.</span>
5 0
3 years ago
Which best explains mantel convection
Snowcat [4.5K]

Answer:

The heat given off by Earth's core is circulated through mantle convection.

Explanation:

Heating materials usually causes them to <em>expand</em>; as they become hotter, they also become less dense. Convection describes the transfer of heat from hot areas of liquids and gases to cooler ones. This causes the heated, less dense material to rise and more dense material to fall, as it’s pulled by gravity. Super-heated metal forming Earth’s central core heats rock in the mantle; the hot and cool rock slowly rise and sink- this circulation process is called mantle convection.

7 0
3 years ago
Which statement about phloem is true? *
Ivan

Answer:

2. It carries water from the roots to the leaves.

Explanation:

Phloem is the vascular tissue in charge of transporting and distributing organic nutrients.

4 0
3 years ago
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zvonat [6]

Answer: No

Explanation: Elodea or Paramecium live in fresh-water lakes and they are not adaptive to salt-water. Oceans are salty and the cells will lose water due to osmosis and eventually dry up and fall apart.

3 0
3 years ago
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