What will be the resulting F1, when grey body and normal wings Drosophila crossed with black body and vestigial wings Drosophila?
a) half grey body and normal wings and half black body and vestigial wings
b) half grey body and vestigial wings and half black body and normal wings
c) all grey body and normal wings
d) all black body and vestigial wings
When the heterozygous grey body and normal wings Drosophila (F1) test crossed with homozygous recessive parent i.e. black body and vestigial wings (P1), which of the following F2 were parental types?
a) grey body and normal wings
b) black body and vestigial wings
c) grey body and vestigial wings
d) both a and b
When the heterozygous grey body and normal wings Drosophila (F1) test crossed with homozygous recessive parent i.e. black body and vestigial wings (P1), which of the following F2 were recombinant types?
a) grey body and normal wings
b) black body and normal wings
c) grey body and vestigial wings
d) both b and c
What was/were the reason/s, when Morgan performed a test cross between heterozygous drosophila with homozygous recessive parent Drosophila; most of the F2 were parental types?
a) genes for body color and wing size are located on the different chromosomes
b) genes for body color and wing size are located on the same chromosomes
c) crossing over during meiosis gametogenesis or spore formation
d) all of these
What was/were the reason/s, when Morgan performed a test cross between heterozygous drosophila with homozygous recessive parent Drosophila; some recombinant types were produced?
a) genes for body color and wing size are located on the different chromosomes
b) genes for body color and wing size are located on the same chromosomes
c) crossing over during meiosis gametogenesis or spore formation
d) all of these
Which of the following genotype/s show/s parental type chromosomes in Drosophila?
a) b+ vg+
b) b vg
c) b+ vg
d) both a and b
