Respuesta :
Genotype:
Hh. where H is hornless and h is horned.
Phenotype:
Hornless cattle.
The genotype and phenotype of the first generation in the given condition would be:
- Genotype - Hh
- Phenotype - hornless cattle
A dominant allele gives rise to a character that is phenotypically expressed and removes other allele's character. This means the dominant allele masks the recessive allele.
- A Hzygous allele is having the exact same alleles as a particular gene. As it is given here, the bull has two dominant or and cow having two recessive alleles in a gene.
- The genetic makeup of an individual organism is called genotype
- Physical characteristics of an individual are expressed as a result of genotype.
Let assume the hornless character has an allele H and the horned trait has an allele h, then cross between -
hornless bull (HH) X horned cow (hh)
Gametes: H, H, and h, h.
Cross with Punnett square -
H H
h Hh Hh
h Hh Hh
Here, all the first-generation offspring would have a heterozygous genotype with a hornless phenotype.
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