How does crossing over during meiosis lead to genetic variation?

Question

09-05-2017
Biology

contestada

How does crossing over during meiosis lead to genetic variation?

Respuesta :

Otras preguntas

an elevator descends into a mind sharp at the rate of 7 m per minute if the distance starts from 10 m above the ground level how long will it take to reach -480

A 76 yr old woman had a wide local excision and ipsilateral groin dissection for a moderately-differentiated squamous cell carcinoma of the right vulva. The tum

After passing a truck, you should not pull in closely in front of it because: a) It increases fuel consumption b) It can cause wind resistance c) It reduces vis

11. Determine the values of x and y. Show work. 2x + 7 x + 6 x + 7 y

a person sitting firmly over a rotating stool has his arms folded with two identical balls. if he stretched his arms along with balls and then the work done by

If the barrier defenses and other nonspecific defenses are penetrated by a pathogen, the third line of defense, ________, will try to eliminate it.

4 You saved R4 750 during the last year. You decide that it will be the best to invest the money. At your local bank they have two investment options: Option 1:

Large raindrops fall ____ than smaller raindrops, and have a ______ terminal velocity than small raindrops. 1) faster; lesser 2) faster; greater 3) slower; less

Words from the letters of the word PROBABILITY are formed by taking all at a time. The probability that both B′s are together and both I′s are together isa. 1/5

In which subject would you typically find a document providing detailed information about physical and chemical properties, health hazards, and first aid proced

IRAMATHEHIPPY IRAMATHEHIPPY · Answer 1 · 2017-05-09T07:37:49+02:00

Crossing over happens in prophase I when the homologous chromosomes are sy naps ed. The two inner chromoatids exchanges sections with each other. This means that after the exchange the inner two chromatids have new combinations of alleles than their parents had. The two outer chromatids still have the parental combinations.So there are more kinds of chromatids ready to go into the gametes than there were before. This is an increase in variation.