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 is an example of secondary succession?

2 / 20

What is humus?

3 / 20

Between stages D and E, what will happen to light intensity at ground level?

4 / 20

At which stage will abiotic factors be most hostile?

5 / 20

What term do we use to describe lichen and mosses in succession?

6 / 20

Why is random sampling used?

7 / 20

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

8 / 20

Which type of selection is human birthweight showing? (As low birth - weight babies and high birth - weight babies are less likely to survive)

9 / 20

What type of variation is show in the graph?

10 / 20

In the creation of gametes, which process mixes up the alleles?

11 / 20

Drosophila is a type of fruit fly which is used in many genetic experiments. It has two alleles for eye colour : Red ( R) and White (r). If 0.8 of the alleles are red, how many are white?

12 / 20

Which part of the Hardy Weinberg equation represents the homozygous recessive individuals?

13 / 20

What is the formula for the Hardy Weinberg equation?

14 / 20

The Hardy Weinberg principle only applies to a population that is or has____.

15 / 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?

16 / 20

Being colour blind is a sex-linked disorder. What is the probability of an unaffected male having a colour- blind child with a heterozygous female?

17 / 20

If B = black, W = white and BW = speckled feathers in hens. Two heterozygous speckled hens mated, what will the ratios be of offspring that are black : speckled : white?

18 / 20

In guinea pigs, Short hair (S) is dominant to long hair (s). In a monohybrid cross between a heterozygous mother, with a heterozygous father, what ratio of long hair to short hair will the offspring have ?

19 / 20

What is the definition of 'heterozygous'?

20 / 20

What is a gene?

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