Populations, Evolutions & Genetics Random Retrieval

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Populations, Evolutions & Genetics Random Retrieval

This quiz contains all the questions in the Populations, Evolutions & Genetics section. The website will pick 20 questions at random.

1 / 20

Which of the following does NOT stop succession?

2 / 20

What is humus?

3 / 20

Which method would you use to see if there is a difference between the percentage cover of moss on the north face compared to the south face of tree trunks?

4 / 20

How many samples should you take to get reliable data?

5 / 20

What should you use to estimate a population of a sessile organism?

6 / 20

Was the cold winter an example of an abiotic factor or a biotic one?

7 / 20

Which of the following is an abiotic factor which effects population size?

8 / 20

Which of the following isn't an example of genetic drift?

9 / 20

Which type of selection is shown by Darwins finches, where small and large beaks were both at an advantage due to different food sources?

10 / 20

Which of these is a source of variation?

 

11 / 20

An Ethiopian breed of cattle has low whey protein in its milk. This is controlled by a dominant allele (M). If 6 % of the herd have low whey protein, what proportion are heterozygotes?

12 / 20

What represents the total allele frequency in a population?

13 / 20

What is the formula for the Hardy Weinberg equation?

14 / 20

In the actual ratio of 6:1:1:6, there were more of the ginger and black eyed hamsters and more of the white with red eyed hamsters than expected. Therefore, there are proportionately fewer of the mixed traits (Ginger and red eyes and white with black eyes). What process allowed those few mixed trait offspring to occur?

15 / 20

Which Chromosome contains more genes?

16 / 20

A codominant allele' is when both alleles are expressed. One breed of chickens can have Black feathers(B) or White feathers(W). What phenotype will a chicken have with the genotype BW ?

17 / 20

What does the term 'Codominance' mean?

18 / 20

Marfan Syndrome ( TGF Beta) is dominant (T) to the healthy recessive allele(t) . Having a V shaped hairline (V) is dominant to having a straight hairline (v). What percentage of the offspring of a father = TtVv and a mother TtVv will have Marfan syndrome and a V shaped hair-line ?

19 / 20

What is the best definition of a 'recessive allele'?

20 / 20

What is a gene?

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