Question

1. Homologous recombination in meiosis has the main purpose of_____

a. Dna repair

b. creating new chromosomes

c.sealing double stranded breaks

- i think the answer is creating new chromosomes since it lines up in pairs and swaps segments of dna

2. The invading end is usually a _______

a. 3' end

b. 5' end

c. both

- I think it is 3' end because I couldnt find 5' end in text book

3. The extension of the paired region formed by invading strand is called______

a. strand invasion

b. branch migration

Thank you

Answer 1

1)The main purpose of Homologous recombination during meiosis is creating new chromosomes

As during pachytene stage of prophase 1 of meiosis crossing over occur between non sister chromatid of 2 homologous chromosome which form in 2 different recombinant chromosome result in variation in progeny

Hence option b is correct

2) During homologous recombination

Acc. to double stranded break modelthe strand invasion step that follows, an overhanging 3' end of the broken DNA molecule invades a similar or identical DNA molecule that is not broken.

Hence Option a is correct

3)The extension of the paired region formed by invading strand is called branch migration

option b is correct

plz upvote my answer Thank you