Question

Shorter Chromosome
(carries the recessive
red gene)
beads Represents DNA on shorter
chromosome
bead Represents presence of recessive red
allele
Longer Chromosome
(carries the grouse
gene)
beads Represents DNA on longer
chromosome
bead Represents presence of grouse allele
Centromere Region Yellow bead Represents centromere region

Answer 1

Here’s a cleaned-up legend you can use with your bead model (concise and ready to label a diagram):

Legend / Key
- Shorter chromosome (carries recessive red gene)
- string of small beads: DNA backbone of the shorter chromosome
- red bead: presence of the recessive red allele
- Longer chromosome (carries the grouse gene)
- string of small beads: DNA backbone of the longer chromosome
- (e.g.) brown/blue bead: presence of the grouse allele
- Centromere region
- yellow bead: centromere

Notes:
- Place the allele-colored bead at the locus position on each chromosome’s bead string to show where each gene sits.
- If you want to show homologous chromosomes side-by-side, align the strings so the allele beads are at the same relative position.
- Choose distinct colors for allele beads (red for recessive red, another contrasting color for grouse) so the key is unambiguous.