7
answers
0
watching
372
views
5 Jan 2018

1. You mate flies that you know are heterozygous for a loss-of-function bicoid mutation and a balancer chromosome. The balancer chromosome, in this case, has a marker that allows one to detect the presence of the balancer in embryos. However, embryos without balancers seem normal. Does this imply Bicoid has no effect? Why or why not?

2. you are working with Arabidopsisdopsis, a model for plant development and two different recessive null loss-of-function mutations have been isolated. The mutations are in different genes but both affect the leaf development (specifically the density of the stomata- openings for gas exchange). The homozygous loss of function phenotype for gene A shows twice as many stomata when compared to wild-type leaves, while the homozygous loss of function for gene B shows four times as many stomata compared to wild-type leaves. A double mutant for both gene A and gene B show four times as many stomata. What is the order of action of these two genes and what is their genetic relationship (i.e. activation or inhibition)?

For unlimited access to Homework Help, a Homework+ subscription is required.

Unlock all answers

Get 1 free homework help answer.
Already have an account? Log in
Already have an account? Log in
Already have an account? Log in
Already have an account? Log in
Already have an account? Log in
Already have an account? Log in
Jamar Ferry
Jamar FerryLv2
5 Jan 2018
Already have an account? Log in

Related textbook solutions

Related questions

Related Documents

Weekly leaderboard

Start filling in the gaps now
Log in