In Poultry, Rose Comb Is Controlled by a Dominant Allele

question 62

Essay

In poultry, rose comb is controlled by a dominant allele, and its recessive allele controls single comb.
(a)
Give the genotype and phenotype produced from crossing a pure-breeding rose comb chicken with a pure-breeding single comb chicken.
(b)
Give the results of the backcross of the F₁ hybrid with both pure-breeding parents.

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Definitions:

Equality

The state of being equal, especially in status, rights, and opportunities.

Inclusion

The practice or policy of providing equal access to opportunities and resources for people who might otherwise be excluded or marginalized.

Racism

Racism is an ideology that either directly or indirectly asserts that one group is superior to others, with the power to put this ideology into practice in a way that gives advantages, privilege, and power to certain groups of people, and conversely, can disadvantage or limit the opportunities of racialized individuals or racialized groups.

Discrimination

The unequal treatment of individuals or groups based on their characteristics or behaviours. It involves actions or practices of dominant group members that have a harmful impact on members of a subordinate group.