For questions 1-3: Black leathers (B) are dominant to gray leathers (h) 5 talons

Question

For questions 1-3: Black leathers (B) are dominant to gray leathers (h) 5 talons (T) are dominant to 6 talons (t) Armored legs (A) are dominant to smooth legs (a) Iridescent feathers (I) are dominant to matte feathers (i) 1) Buckbeak is a gray, 5-taloned Hippogriff with Armored legs. How would you find out if he is homozygous dominant or heterozygous for talons & armored legs? 2) Sirius Black wants to find a female Hippogriff with gray, matte feathers to mate with Buckbeak. What would her genotype for these traits be? What gametes could she produce for these traits? 3)11 Buckbeak is heterozygous for both Iridescent feathers and Armored legs, what percent of his offspring would have matte feathers and smooth legs if he mated with a female who is homozygous for matte feathers and heterozygous for armored legs? 4) Hippogriffs are 2n=8. Draw a cell in prophase l, a cell at metaphase I. the resulting daughter cells, and the 4 haploid cells produced following meiosis Il. Using multiple colors for maternal & paternal copies Is helpful!

Explanation / Answer

Based on the given data,

The genotypes of feathers are as follows:

Black feathers:

BB (homozygous dominant)

Bb (heterozygous dominant)

Gray feathers:

bb (homozygous recessive)

The genotypes of talons are as follows:

5 talons:

TT (homozygous dominant)

Tt (heterozygous dominant)

6 talons:

tt (homozygous recessive)

The genotypes of legs are as follows:

Armored legs:

AA (homozygous dominant)

Aa (heterozygous dominant)

Smooth legs:

aa (homozygous recessive)

The genotypes of feathers are as follows:

Iridescent feathers:

II (homozygous dominant)

Ii (heterozygous dominant)

Matte feathers:

ii (homozygous recessive)

1)

Here, Buckbeak is:

Gray (BB or Bb)

5-taloned (TT or Tt)

Armored legs (AA or Aa)

We can find out he is homozygous dominant of heterozygous dominant for talons and armored legs by conducting a Test or Back cross.

2)

For example, consider the genotype of Buckbeak is BBTTAA, it is crossed with another female with probable genotype are: BbTtIi or BBTTII.

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