Polydactyl, having extra fingers or toes, is an autosomal dominant disorder that occurs in cats as well as in humans. A cat breeder collects information about her cats and makes the pedigree below.

If the breeder wants to select a mother cat to produce a litter oof kittens without polydactyl which cat could she choose ?

A: cat 2 or 9
B: cat 3 or 6
C: cat 4 or 5
D: cat 6 or 8

Agene with the original sequence of atgtt—tact underwent substitution mutation to form atatt—tact after a few generations. tact is a part of a muscle protein encoding region, and atgtt codes for a digestive enzyme. what will be the effect of this mutation? a. the production of muscle protein will be affected. b. the production of digestive enzymes will be affected. c. the production of both the protein and the enzyme will be affected. d. the production of neither the protein nor the enzyme will be affected.

How had the study of mitosis affected scientists knowledge of cancer

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous