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ivolga24 [154]
3 years ago
8

Which type of tissue covers the body, lines internal surfaces and forms glands?

Biology
2 answers:
AURORKA [14]3 years ago
6 0
Epithelial tissue covers the body, lins internal surfaces, and forms glands.
I am Lyosha [343]3 years ago
5 0

Answer: Option D.

Epithelial tissues.

Explanation:

Epithelial Tissues are tissues that are composed of cells that are packed in sheet and tightly connected to each other. These tissues covers the body surfaces, lines body cavities, lines internal organs and forms gland. An example of epithelial tissue is the epidermis, an outer layer of the skin.

Epithelial Tissues functions in secretions, protection, selective absorption, filtration, excretion e.t.c in the body.

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Answer:

If the two organisms are heterozygous for the dominant trait.

Explanation:

For every trait, a diploid organism receives two forms of gene called ALLELE, from each parent. Allele is the variant form of a gene.

According to Mendel's law of dominance, for a particular trait, an allele is capable of masking the expression of another allele in a gene. The expressed allele is called the DOMINANT allele while the masked allele is called the RECESSIVE allele. Due to this, an organism can express a dominant trait even in a combined or heterozygous state i.e. different alleles.

When the two heterozygous organisms mate or are crossed, they undergo meiosis and their alleles are separated into GAMETES according to Mendel's law of segregation. For example; an organism with genotype (genetic make-up) Aa will produce gametes with A and a alleles.

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