If this trisomic male (ey+ ey-, gw+ gw-) is crossed with a (ey− ey−, gw− gw−) female, what proportion of the progeny will be phe
notypically wild-type?
1 answer:
The Ey and the gw abbreviations stand for eyeless and gawky genes in the fruit fly Drosophila. A wild-type individual has at least one dominant allele for both of these genes.
In the cross presented below, you can see that 25% (shown in red) of the progeny would be wild-type and the rest of the progeny would show at least one recessive trait (eyeless or gawky)
In the cross presented below, you can see that 25% (shown in red) of the progeny would be wild-type and the rest of the progeny would show at least one recessive trait (eyeless or gawky)
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Answer:
The study of fish is called Ichthyology.
Explanation:
Fish specimens are identified in the field by ichthyologists. Ichthyology is the field of study that deals with fishes. Taxonomy (classification and the description of new species) and biogeography are the two main areas of focus for museum ichthyologists (patterns of distribution).
Ichthyology is the field of study that deals with fishes. Taxonomy (classification and the description of new species) and biogeography are the two main areas of focus for museum ichthyologists (patterns of distribution). Large reference collections of preserved specimens are kept in museums as a permanent resource for present-day researchers as well as for future ones.
See the attachment for a visual.
