This is the excretory system
Answer:
identify the variables
Explanation:
control:type of lemon used
dependent:whether apple slice turns brown at pH>2
independent:pH value
Homozygous is the condition that the offsprings would have, if both their parents contribute identical versions of a gene.
<h3>What is the difference between homozygous and heterozygous ?</h3>
- Homozygous and heterozygous are terms that are used to describe allele pairs.
- Individuals carrying two identical alleles (RR or rr) are known as homozygous.
- Individual organisms bearing different alleles (Rr) are known as heterozygous.
- Homozygous produce only one type of gamete whereas heterozygous produce two types of gametes.
To know more about homozygous trait refer :
brainly.com/question/11602235
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What we can say about the frequency of x-linked recessive traits is that the frequency of the allele for the recessive x-linked traits is assumed to be equal to the proportion of males with the recessive phenotype.
Smoking is bad perharps, but it can cause a big effect on lung growth. Which can lead to respiratory problems and infections, shortness of breath and can cause a big effect when playing any type of sports. hope this helps.