Segregation and Recombination

What contributes to genetic variation?

• crossing over

• law of independent assortment

• law of segregation

• gene linkage

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is an exception to Mendel's law of independent assortment?

• crossing over

• gene linkage

• law of segregation

• meiosis

A housefly has 6 pairs of chromosomes, how many possible combinations could be produced?

• 12

• 6

• 64

• 36

Tags

NGSS.HS-LS3-3

What process can occur during this stage to increase genetic diversity that doesn't occur during any other stage of meiosis?

• independent assortment
• crossing over
• DNA replication
• transcription

If an organism's diploid number (2n) is 46, what is its haploid (n) number?

• 46
• 92
• 23
• 2

Tags

NGSS.HS-LS3-2

Gene A, B, and C are on the same chromosome.  Gene A separates from gene B 15% of the time and gene B separates from gene C 2% of the time. Which genes are most likely linked?

• A - B
• B - C
• A - C
• none of the above

Tags

NGSS.HS-LS3-3

Homologous chromosomes will have similar genes on them. However, they could have different versions of these genes. These different versions are called...

• Mutants
• Recombinants
• Alleles
• Mendel's code

If results of recombination do NOT follow Mendel's Law of Independent Assortment, genes are likely to be - - - 

• shuffled during meiosis
• linked
• inherited
• on separate chromosomes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which genes are most likely linked?

• genes 1 & 2
• genes 2 & 3
• genes 3 & 4
• genes 1 & 4

Tags

NGSS.HS-LS3-1

What plant is an example of a polyploid with 8 chromosomes (8n)?

• Coffee

• Wheat

• Strawberry

• Oat