What structure is highly vascular and closely adheres to the surface of the brain?

2 answers:

7 0

Pia mater is the structure that is highly vascular and closely adheres to the surface of the brain. It is the innermost layer of the meninges and attaches directly to the brain and spinal cord. It protects the central nervous system by containing the cerebrospinal fluid, which cushions the brain and spine.

tatyana61 [14]3 years ago

6 0

Pia mater

<span>Pia mater is a highly vascular tissue that cleaves firmly to the surface of the brain and spinal cord. Pia mater protects the central nervous system by nourishing the brain and allowing blood vessels to pass through it. The inflammation of the pia mater can lead to meningitis</span>

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In guinea pigs the allele for black fur (B) is dominant over the allele for brown fur (b), and the allele for short fur (F) is d

galben [10]

Answer:

100%

Explanation:

This question involves two genes in guinea pigs; one coding for fur color and the other for fur length. The alleles of black fur (B) and short fur (F) is dominant over the alleles for brown fur (b) and long fur (f).

In a cross between two offsprings with genotypes: BBFF x bbff, the following gametes will be produced by each parent:

BBFF - BF, BF, BF, and BF

bbff - bf, bf, bf, bf

Using these gametes in a punnet square (see attached image), one will notice that all of the offsprings will have the genotype: BbFf i.e all or 100% of the offsprings are heterozygous for both of the genes or traits.