17.- Variation in a species

Description

https://www.khanacademy.org/science/biology/her/evolution-and-natural-selection/v/variation-in-a-species
PEDRO ALVAREZ JIMENEZ
Quiz by PEDRO ALVAREZ JIMENEZ, updated more than 1 year ago
PEDRO ALVAREZ JIMENEZ
Created by PEDRO ALVAREZ JIMENEZ about 9 years ago
131
2

Resource summary

Question 1

Question
Any change in our DNA code can produce an effect, most of the time in form of…
Answer
  • Mutation that produces cancer
  • Mutation that produces positive changes
  • Mutation that changes the proteins

Question 2

Question
What is the human being chromosomal number?
Answer
  • 46 pairs of chromosomes
  • 23 pairs of chromosomes
  • 23 chromosomes

Question 3

Question
Why do we have two different alleles for each trait?
Answer
  • Because we need them for variation
  • Because we inherited from our parents
  • Because we have pairs of chromosomes

Question 4

Question
Why homologous chromosomes are not identical?
Answer
  • They present the same set of genes but different alleles
  • They present different set of genes but the same alleles
  • The present different set of genes and different alleles

Question 5

Question
What is the difference between genotype and phenotype?
Answer
  • What we don´t see and what we see
  • Always the same and always different
  • The second is the physical representation of the first

Question 6

Question
Mutation is a rare event, so that variation in species is due to what processes?
Answer
  • Recombination
  • Sexual reproduction
  • Genetic drift

Question 7

Question
Why having two genders have been such a great idea?
Answer
  • Because it is very funny
  • Because it introduces variation into population
  • Because we need more biodiversity
Show full summary Hide full summary

Similar

Ratios Quiz
rory.examtime
Health and Social Care
NicoleCMB
AQA GCSE Biology genetic variation
Olivia Phillips
Peace and Conflict Flashcards - Edexcel GCSE Religious Studies Unit 8
nicolalennon12
Forms of Business Ownership Quiz
Noah Swanson
Electrolysis
lisawinkler10
Longevidad y Envejecimiento Fisiológico
Isaac Alexander
What You Can Do Using GoConqr
Micheal Heffernan
SalesForce ADM 201 Study Quiz
Brianne Wright
Rossetti Links
Mrs Peacock
Microbiology MCQs 3rd Year Final- PMU
Med Student