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1.    From a test cross between homozygous recessive short, white hamsters and heterozygous tall, brown

hamsters, the following offspring result.

35 tall white          40 short brown    15 tall brown        18 short white

Below the offspring phenotypes, write the gamete genotypes and define your symbols. [2]

Draw a circle around the recombinant progeny. Draw a square around the parental (non-recombinant) progeny. [2]

What is the recombination rate between the height and color loci? [3]

What is the map distance between the height and color loci? [2]

What is the configuration of alleles on the heterozygote parent's chromosomes? [3]

Top Answer

S is tall n B is brown C. D.since recombination freguency is more than 50% that means that means that... View the full answer


s-long / tall
B - Brown
$ Parents
S& Bb * ss bb
Parents 2
SB SB 8b Sb
Phenotypes and Progeny
01. S8 Bb -
tall brown
2 . 8.A Bb
small brown
3 . s bb
Small white
ta of the
4. 58...

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