Genetics Quiz: Antler Dysplasia & Conjugation

Which of the following statements is correct regarding antler dysplasia in jackalopes?

The donor cell during conjugation that gives F- E. coli cell antibiotic resistance is most likely what kind of cell?

What is the sequence of newly synthesized RNA if the coding strand is 5' –CTGAT – 3'?

What is the sequence of newly synthesized RNA if the template strand is 5' –ATCAG – 3'?

Can you determine the sequence of a promoter by looking at the bases in mRNA?

If you replaced some of the A:T base pairs in the -10 sequence with G:C base pairs, what might happen to the amount of RNA transcribed from that gene?

What problem would the cell have if the -35 sequence of a promoter were changed drastically?

Antler Dysplasia

Antler dysplasia is an autosomal recessive genetic disease in jackalopes caused by a mutated allele of the Ant gene
The disease affects jackalopes' ability to defend themselves with their antlers.
Heterozygous individuals have a survival advantage in hot desert climates (like Arizona) because their antlers radiate excess body heat more efficiently
In temperate climates (like Wisconsin), heterozygous and homozygous dominant individuals have similar fitness

Bacterial Conjugation

F- E.coli is the recipient cell during conjugation.
This cell acquires antibiotic resistance and the ability to transfer the antibiotic resistance gene.
The donor cell was most likely either an F+ cell or an Hfr cell, as they both possess the ability to transfer genetic material

Transcription

The template strand is used to make the mRNA molecule.
mRNA is complementary to the template strand and identical to the coding strand (except for the replacement of Thymine with Uracil)

Promoter Sequences

The -10 sequence (Pribnow box) and the -35 sequence are important for the initiation of transcription
The -10 sequence is rich in adenine and thymine bases while the -35 sequence is rich in guanine and cytosine bases.
Changing the proportion of G:C bases in the -10 sequence can make it more difficult to unwind the DNA at the promoter and reduce the amount of RNA transcribed.
The cell can counter this by using an enzyme called helicase, which is responsible for unzipping the DNA helix.
Drastic changes to the -35 sequence can prevent the cell from identifying the beginning of the gene and initiating transcription.

This quiz covers key concepts in genetics, focusing on antler dysplasia in jackalopes and bacterial conjugation mechanisms. Test your understanding of genetic diseases, survival advantages, and gene transfer processes in bacteria. Perfect for students studying genetics and molecular biology.