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tigry1 [53]
2 years ago
13

Answer the question help me please I'll mark as brainiest

Biology
1 answer:
professor190 [17]2 years ago
5 0

Answer:

The human male and female reproductive cycles are controlled by the interaction of hormones from the hypothalamus and anterior pituitary with hormones from reproductive tissues and organs. In both sexes, the hypothalamus monitors and causes the release of hormones from the pituitary gland.

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In genetics, the dash symbol (-) is a "wild card" that stands for either the dominant allele or the recessive allele; for exampl
m_a_m_a [10]

Answer:

12 : 3 : 1

Explanation:

According to Mendel's principles, a dihybrid cross between two heterozygous summer squash parents (WwGg X WwGg) should yield offsprings, 12 with white, 3 with yellow and  1 with green color phenotype. The classic Mendelian phenotypic ratio for dihybrid cross is 9:3:3:1. In this case, genotypes W- G- and W- gg produce white color phenotype. This is because we have 12: 3: 1 phenotypic ratio in which the alleles of two different genes assort independently into gametes.

<em>Dihybrid cross for heterozygous summer squash:</em>

                    WG         Wg            wG            wg          

    WG      WWGG   WWGg     WwGG     WwGg

    Wg       WWGg   WWgg     WwGg      Wwgg

    wG        WwGG    WwGg     wwGG      wwGg

      wg       WwGg    Wwgg     wwGg        wwgg

   Genotypes:

   W-G-  and W- gg  = white = 12

    ww G- = yellow = 3

     ww gg = green = 1

3 0
3 years ago
Which of the following is NOT a type of cell: bacteria, virus, diatom
Novay_Z [31]
It is a virus; they are not a type of cell
3 0
3 years ago
Family and twin studies examining the rates of autism spectrum disorder have provided compelling evidence for a genetic influenc
TEA [102]

In fact, the concordance rate of autism spectrum disorder was twice in identical twins that of non-twin siblings.

It has been shown that genetic has a huge influence on the development of autism spectrum disorder and that autism in identical twins was 13 times that of the general population. This suggest that environmental factors in the womb are the major factors that contribute.


5 0
3 years ago
This biological level of organization is represented by all three steps of the gene expression products. ____________
Licemer1 [7]

Answer:

The biological level of organization represented by all of the three steps of gene expression products is <em>the central dogma of molecular biology.</em>

Explanation:

DNA is divided up into functional units called genes. Each of them provides instructions for a functional product, that is, a molecule nedeed to perform a job in the cell. In many cases, the functional product of a gene is a protein.

The functional products of most known genes are polypeptides.  Genes that specify polypeptides are called protein-coding genes.

Not all genes specify polypeptides. Instead, some provide instructions to build functional RNA molecules, such as transfer RNAs and ribosomal RNAs that play roles in translation.

The construction of polypeptide involves two major steps: transcription and translation. During the transcription, the DNA sequence of gene is copied to make an RNA molecule and in translation the sequence of mRNA is decoded to specify the amino acid sequence of the polypeptide.

6 0
3 years ago
Which of the following statements is true of chemical bonds?
blsea [12.9K]
Covalent bonds share electrons between two atoms.
4 0
3 years ago
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