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anzhelika [568]
2 years ago
8

PLEASEEE HELP WITH THIS :(

Biology
1 answer:
ira [324]2 years ago
4 0

Answer:

20

Explanation:

Mass= Density x Volume

2 x 10 = 20

Mass = 20

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explain how complete dominance, co dominance, incomplete dominance, and sex linked traits are inherited and expressed differentl
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<span> COMPLETE DOMINANCE:
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<span>Mendel concluded that some alleles are dominant and others are recessive. When one dominant allele is present, it's enough to make the recessive allele unexpressed (this is what happens in heterozygous individuals). In other words, it 'hides' or masks the recessive allele.

CO-DOMINANCE:

-a condition in which both alleles are dominant.
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For example, a white chicken(WW) crossed with a black chicken (BB):  100% of the offspring being WB. With this genotype, they have black feathers and white feathers.
It's not a blend of colors, but a case where both are expressing.

INCOMPLETE DOMINANCE:
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Some alleles are not completely dominant, and when that's the case the phenotype of a heterozygous organism will be a mix between the phenotypes of its homozygous parents.

For example:
plant 1: RR -red
plant 2: rr- white

By crossing this plants we will obtain 100%  of the offspring with a color mix: pink.(genotype: Rr)
Red and white are not completely dominating so it results in a blend of colors.

SEX LINKED TRAITS

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In those chromosomes, there are genes specific for each gender, and in those chromosomes, there are genes that code for certain traits- the sex-linked traits.
These traits will be inherited according to the sex chromosomes they receive from their parents.









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