Genetic diversity - Statistics

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General Stats

This quiz has been taken 9 times
The average score is 7 of 34

Answer Stats

Hint	Answer	% Correct
how many divisions take place in meiosis	2	88%
when one base is removed from the dna sequence	deletion	88%
name two processes in meiosis which lead to genetic variation	crossing over	50%
what is it when the entire sequence is shifted after a mutation	frameshift	50%
when does independent segregation take place in meiosis	metaphase I	38%
involves copying another animal's appearance or sounds to make predators think the organism is poisonous or dangerous	mimicry	38%
when one base is replaced by another	substitution	38%
	behavioural	25%
what allows animal to blend into their environment	camouflage	25%
when pairs of homologous chromosomes swap portions of their chromatids	crossing over	25%
when pairs of homologous chromosomes arrange themselves randomly	independent segregation	25%
what are factors that increase the rate of mutations	mutagens	25%
what effect does stabilising selection have on the normal distribution curve	narrows it	25%
	physiological	25%
what are the three main types of adaptations	anatomical	13%
physical features that help an organism survive and/or reproduce in its environment	anatomical adaptations	13%
the ways an organism acts to increase its chance of survival and/or reproduction	behavioural adaptations	13%
a type of natural selection where one extreme phenotype is favoured over other phenotypes	directional selection	13%
	independent segregation	13%
processes inside an organism that increase its chance of survival and/or reproduction	physiological adaptations	13%
when does crossing over take place in meiosis	prophase I	13%
what is an insertion mutation	when one base is added	13%
what is a gene mutation	a change in the dna base sequence	0%
Why are deletion mutations likely to change protein structure	cause a frameshift to the left	0%
Why are insertion mutations likely to affect protein structure	cause a frameshift to the right	0%
a change in the number or structure of chromosomes	chromosome mutation	0%
what does stabilising selection do	favours average phenotypes	0%
what is it when chromosome number in a cell is reduced, typically by half	reduction division	0%
when do most gene mutations take place	spontaneously during dna replication	0%
what is genetic diversity	the total number of different alleles in a population	0%
what is the purpose of meiosis	to produce gametes	0%
why is meiosis important in organisms	to produce gametes	0%
	to produce genetic variation	0%
what's an allele	variant form of a gene	0%

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