chickens, comb shape is determined by alleles at twa loci (R. And P.) Walnut comb is produced w atan one dominant allele Is present at one locus and at least one dominant allele Pis present at a second locus Prototype. A rose comb is produced when at least one dominant allele is present at the first locus and two recessive alletes are present at the second locus (genotype: Rpp). A pea comb is produced when two recessive alleles are present at the first locus and at least one dominant allele is present at the second (genotypes wa recessive alleles are present at the first and at the second locus trap), a single comb is produced Progeny with what types of combs and in what proportions will result from the cross between Rp and PP 14 Walnut Pol 1/4 rose comb (Ppl. 1/4 Pea comb (rrPp), 1/4 single comb (rrpp) 16 walnut, 3/16 rosecomb (pp. 3/16 pea.comb (P X. 1/16 single comb (rrpp) O34 rose comb (R PP), 1/4 single comb rrpp) 12 walnut (RPp), 1/2 rose comb (Rpp). O pea (Pp). O single comb (rrpp)
chickens, comb shape is determined by alleles at twa loci (R. And P.) Walnut comb is produced w atan one dominant allele Is present at one locus and at least one dominant allele Pis present at a second locus
Prototype. A rose comb is produced when at least one dominant allele is present at the first locus and two recessive alletes are present at the second locus (genotype: Rpp). A pea comb is produced when two recessive alleles are present at the first locus and at least one dominant allele is present at the second (genotypes wa recessive alleles are present at the first and at the second locus trap), a single comb is produced
Progeny with what types of combs and in what proportions will result from the cross between Rp and PP
14 Walnut Pol 1/4 rose comb (Ppl. 1/4 Pea comb (rrPp), 1/4 single comb (rrpp) 16 walnut, 3/16 rosecomb (pp. 3/16 pea.comb (P X. 1/16 single comb (rrpp)
O34 rose comb (R PP), 1/4 single comb rrpp)
12 walnut (RPp), 1/2 rose comb (Rpp). O pea (Pp). O single comb (rrpp)
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