We appreciate your visit to In cabbage butterflies white wings are dominant to yellow wings If a tex Ww tex butterfly is crossed with a tex ww tex butterfly what. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
The possible genotypes of this cross are ww (50%) and Ww (50%). Moreover, the possible phenotypes will be white wings (genotype Ww, 50%) and yellow wings (genotype ww, 50%).
An allele is a given gene variant (i.e., a version of a gene).
A homo-zygous individual is an organism that inherited the two same alleles for a given gene/locus, whereas a heterozygous individual inherited two different alleles.
Complete dominance occurs when the presence of an allele called 'dominant allele' completely masks the expression of the recessive allele in heterozygous individuals.
In this case, the parental with the genotype Ww can produce two types of gametes (either W or w) with the same chance of occurring (50%); whereas the parental with the genotype Ww can produce only one type of gamete (w).
In consequence, the progeny of this cross may have a genotype Ww or ww with the same chance of occurring (50%).
The genotype Ww expresses the dominant trait (white wings), whereas the genotype ww expresses the recessive trait (yellow wings).
In conclusion, the possible genotypes of this cross are ww (50%) and Ww (50%). Moreover, the possible phenotypes will be white wings (genotype Ww, 50%) and yellow wings (genotype ww, 50%).
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Final answer:
The possible genotypes of the offspring in a cross between a Ww butterfly and a ww butterfly are WW, Ww, and ww. The phenotypes of the offspring are white and yellow, with a 50% chance for each genotype and phenotype.
Explanation:
The possible genotypes of the offspring in a cross between a Ww butterfly and a ww butterfly are WW, Ww, and ww. The phenotypes of the offspring are white and yellow. The chances for each genotype and phenotype can be determined using a Punnett square.
When a Ww butterfly is crossed with a ww butterfly, there is a 50% chance of the offspring having the genotype Ww and being white, a 50% chance of the offspring having the genotype ww and being yellow.
Therefore, the possible genotypes and phenotypes of the offspring are:
- 50% chance of being Ww and white
- 50% chance of being ww and yellow
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