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Asexual and Sexual Reproduction

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Emily Whitaker

on 22 November 2016

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Transcript of Asexual and Sexual Reproduction

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Asexual and Sexual Reproduction
Sexual Reproduction
It's mixing genes from two parents to make another person, it can be one or more depending on the parent's genes
Advantages:
Evolutionary Success
Children are different from their parents
Speeds up evolution
Disadvantages:
Slower Reproduction
Takes energy
Less Reliable
Takes time to find a mate
Other stuff:
Gametes are sex cells
You can mate or as plants do, pollination
Genetic Variation
Variation only occurs in the process of sexual reproduction
Parents have alleles that have a genotype
The genotype is either recessive or dominant
Parents both give a gene to the child
One gene from the mom and one gene from the dad
The genotype is 2 letter to represent the genes
If you have 2 dominant genes or 1 you will have the dominant trait
If you have 2 recessive trait you will have the recessive trait
Examples of Sexual
Higher Celled Organisms
Animals, Plants, and Humans
Mating is egg and sperm
Pollination is seeds from woman to man and only happens with plants
Examples of Asexual Reproduction
Budding is a type of asexual reproduction that a smaller organism grows off another organism and makes a clone of itself
Fragmentation is another type of asexual reproduction is when an organism splits into pieces then devolpes into a clone
Binary Fission is when a cell divides into 2 cells

Mitosis
a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
The chromosomes do not spilt they have the same number of chromosomes as the parents
Mitosis ends up with 46 chromosomes instead of 23
Mitosis and Meiosis
Meiosis
a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell
The chromosomes have to split or else the future generation will have defaults
It has 12 stages
In meiosis it ends up with 23 chromosomes because they split
Homo and Hetero
Homozygous and Heterozygous
Homozygous is when you have 2 same genes ; HH or hh
It's also the same genes in an allele

Heterozygous is when you have 2 completely different genes ; Hh
It's two different genes in an allele

An allele is the possible outcome a gene would be


Asexual
Reproduction
It's making a clone of yourself
Advantages:
Keeps extinction from happening
Faster Reproduction
Saves energy
Your making a clone of yourself
Disadvantages:
Overpopulation
Slows evolution/Don't adapt well
Hybrid Cross
Dominant is the overpowering gene
Recessive is the gene that follows
Say the dominant gene is blue eyes and the recessive is green so if there was a parent with homozygous BB or blue eyes then a parent with heterozygous Bb or blue with the gene of green then, the outcome would be 50% heterozygous and 50% homozygous blue eyes

Sexual Producers
Punnet Square
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