A dihybrid cross means that both parents are heterozygous (which is both expressing the dominant form) for two genes.
50 chromosomes
A sperm cell is haploid (n) and a zygote is diploid (2n) so 25(2)=50 chromosomes
<span>The answer is B. Mesoderm.
During gastrulation three layers form. Ectoderm, mesoderm, and endoderm. Mesoderm is the middle layer and from that layer a multitude of tissues and organs develop. The mesoderm develops into connective tissues like cartlage, bone, blood, and blood vessels. The mesoderm can also develop into muscle types like cardiac, skeletal, and smooth.</span>
Answer:
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Explanation:
