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grandymaker [24]

3 years ago

6

suc- strains cannot utilize sucrose, trp- strains cannot synthesize tryptophan. In the generalized transduction of a suc- trp- s

train of E. coli using bacteriophage derived from a suc trp cell, what medium would select for suc and trp

1 answer:

tester [92]3 years ago

4 0

Very nice to have you in a good mood for the first hour and the best of the day and I will be

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Fruit flies have eight pairs of chromosomes. Calculate the genetic possibilities from independent assortment of a zygote made fr

Furkat [3]

Answer:

256

Explanation:

If there are 2 pairs of chromosomes Aa and Bb, there are 4 possibilities for independent assortment of gametes:

A w B, aith with b, A with b and a with B.

If there are 3 pairs of chromosomes Aa, Bb and Cc, there are 8 possibilities:

ABC, abc, ABc, Abc, aBC, aBc, abC, AbC

This corresponds to 2^n, where n= the number of chromosomes.

Therefore, with 8 chromosomes, the possibilities are 2^8 = 256

This is for each parent.

8 0

3 years ago

Read 2 more answers

Compare the solar radiation received in the Tropics with that of the Earth's Polar Regions. What is the difference?

Mariulka [41]

Answer:

The regions near the topic receive more sunlight compared to those of the equator.

4 0

2 years ago

What is allele frequency?

IgorLugansk [536]

Answer:

The correct answer would be - D. the distribution of alleles in a population.

Explanation:

Allele frequency in population genetics is the term used to provide the amount of the different alleles in particular loci. In other words, it is the distribution of alleles in a population.

The term allele frequency refers to the fraction of the copies of the gene of the alleles in a known population. It can be calculated by the number of allele present of interest divided by total number of alleles in a population.

5 0

3 years ago

Sort the descriptions based on asexual or sexual reproduction

MariettaO [177]

Answer: creates genetically identical offspring, organism doesn’t have to waste energy to find a mate organism, requires the contribution of a single parent.

Explanation: While asexual reproduction only involves one organism, sexual reproduction requires both a male and a female.

Some plants and unicellular organisms reproduce asexually. Most mammals and fish use sexual reproduction.

Asexual Reproduction Sexual Reproduction

Two or more One or more

8 0

3 years ago

Digeorge syndrome is characterized by a cleft palate, immune deficiency, and developmental issues. which chromosomal change caus

Temka [501]

The correct answer is Deletion.

DiGeorge syndrome, more commonly considered as 22q11.2 deletion syndrome. It refers to an ailment resulting when a small segment of chromosome 22 is missing. This deletion leads to poor development of many systems of the body.

The medical issues generally associated with 22q11.2 deletion syndrome involve poor immune system function, heart defects, a cleft palate, delayed development with emotional and behavioral issues, and issues associated with diminished levels of calcium in the blood.

7 0

3 years ago

Read 2 more answers