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Dafna11 [192]
3 years ago
7

How many sex chromosomes does the normal human female inherit from her mother?

Biology
1 answer:
AveGali [126]3 years ago
4 0

Answer:

A. 1.2

Explanation:

Normally, a human body cell contains 46 chromosomes - 23 inherited from the father and the same number from the mother.

Most of the human DNA, or human genes, are located in the chromosomes.

Each metaphase chromosome consists of:

two sister chromatids containing one DNA molecule each, and since they are formed by replication, these molecules are completely identical in gene content; that is why chromatids are called sister chromatids;  two centromeres, one on each chromatid.

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Explain why the amount of rainfall a region receives is a better determination of whether it is a desert than temperature.
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<span>As there are many kinds of deserts, some hot, some cold even arid deserts are the classic hot deserts, but there are also cold and coastal deserts where temperatures do not get so high. The element common to all of these types of deserts, however, is their lack of rainfall. In that sense the rainfall is a characteristic that determines if it's a desert.</span>
3 0
3 years ago
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Providing immunity by injecting the body with a weakened form a pathogen is known as
blagie [28]

Answer:

vaccination

Explanation:

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How does antibiotic resistance arise? how do hospitals and feedlots contribute to this phenomenon?
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Which organelle stores genetic information? Chloroplast Golgi apparatus Nucleus Ribosome
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6 0
3 years ago
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In a group of muskmelon plants, some individuals have sour fruit and others have sweet fruit. in this group, the gene for the fr
juin [17]

Correct option(s):

(b) This muskmelon plant's genotype for the fruit taste gene is ff.

(c) This muskmelon plant is homozygous for the fruit taste gene.

A dominant allele is one that is capable of expressing itself even in the heterozygous condition and overshadows the effect of the recessive allele. It is usually denoted by a capital letter. Recessive allele on the contrary cannot express in presence of a dominant allele and is denoted by a small letter.

In the given case the fruit with a sour taste (phenotype) can have two possible genotypes (FF and Ff). The genotype of sweet taste is ff which is a homozygous condition.  

Note: Your question is incomplete, probably your complete question is “In a group of muskmelon plants, some individuals have sour fruit and others have sweet fruit. in this group, the gene for the fruit taste trait has two alleles. the allele F is for sour fruit, and the allele f is for sweet fruit. a certain muskmelon plant from this group has sweet fruit. this plant has two alleles for sweet fruit. Choose the correct option:

(a)  this muskmelon plant's genotype for the fruit taste trait is sweet fruit.

(b) this muskmelon plant's genotype for the fruit taste gene is ff.

(c) this muskmelon plant is homozygous for the fruit taste gene.”

Know more about Mendelian genetics here:

brainly.com/question/10189802

#SPJ4

7 0
2 years ago
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