A new species of fly is discovered that has either blue or orange wings as the consequence of one of its genes on chromosome 12, and has either long or short antennae as the result of a second gene on chromosome 19. Chromosome 12: either or blue orange Chromosome 19: either or long short If a female fly with a paternal set of one orange and one long gene chromosome and a maternal set comprised of one blue and one short gene chromosome is expected to produce which of the following types of eggs after meiosis? Half the eggs will have maternal and half will have paternal combinations. Each egg has a one-fourth chance of having either blue long, blue short, orange long, or orange short combinations. All eggs will have maternal types of gene combinations. Each egg has a three-fourths chance of having blue long, one-fourth blue short, three-fourths orange long, or one-fourth orange short combinations. All eggs will have paternal types of gene combinations.
A new species of fly is discovered that has either blue or orange wings as the consequence of one of its genes on chromosome 12, and has either long or short antennae as the result of a second gene on chromosome 19. Chromosome 12: either or blue orange Chromosome 19: either or long short If a female fly with a paternal set of one orange and one long gene chromosome and a maternal set comprised of one blue and one short gene chromosome is expected to produce which of the following types of eggs after meiosis? Half the eggs will have maternal and half will have paternal combinations. Each egg has a one-fourth chance of having either blue long, blue short, orange long, or orange short combinations. All eggs will have maternal types of gene combinations. Each egg has a three-fourths chance of having blue long, one-fourth blue short, three-fourths orange long, or one-fourth orange short combinations. All eggs will have paternal types of gene combinations.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
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Transcribed Image Text:A new species of fly is discovered that has either blue or orange wings as the
consequence of one of its genes on chromosome 12, and has either long or short
antennae as the result of a second gene on chromosome 19.
Chromosome 12: either
or
blue
orange
Chromosome 19: either
or
long
short
If a female fly with a paternal set of one orange and one long gene chromosome and
a maternal set comprised of one blue and one short gene chromosome is expected
to produce which of the following types of eggs after meiosis?
Half the eggs will have maternal and half will have paternal combinations.
Each egg has a one-fourth chance of having either blue long, blue short, orange
long, or orange short combinations.
All eggs will have maternal types of gene combinations.
Each egg has a three-fourths chance of having blue long, one-fourth blue short,
three-fourths orange long, or one-fourth orange short combinations.
All eggs will have paternal types of gene combinations.
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